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[Q] Flashing to stock - phone force closes process com.android.phone, help

Please bare with me since this is the first time having to post for an issue since I usually find an answer on your forums
So here's the situation.
I bought the photon q 4g lte from ebay and it came with the unlocked bootloader.
Needless to say it was with the stock ics and i tried to find a jellybean update because it wasn't taking the ota and ended up going with cyanogen since i had no problems before. However those phones i had before were with sim cards not cdma.
I found out i couldn't update prl or profile manually without having to do something on the pc.
So after searching left and right i found i could use rsl lite (I used 6.1.5) and eventually found the "stock" file from this post
http://forum.xda-developers.com/showthread.php?t=2095536&highlight=rsd+lite
I did the stock jellybean, got it to go through the process and it booted up with no errors.
However, when it boots into the os it pops up a force close on omadmclient_sprint_dataservice and eventually also on the process com.android.phone.
I tried putting it in airplane mode to see if the service error would go away but it didn't work for the process part crashing.
I tried re-flashing, deleting cache in recovery, doing a data/factory reset in recovery and the one time i was able to do a data factory reset within the settings menu.
I could not find anyone that said they had a rom that worked with sprint and updating prl within the rom, if anyone knows of one let me know and i will flash it through rsd.
Otherwise does anyone have an idea of what could be happening because googling the omadmclient part did not pull up anything specific and pulling up the process issue for other phones has not helped me either.

Was this a hacked GSM phone, or are you using it as CDMA?
I've never heard of people having FC issues after flashing a FXZ from RSD. Which one did you flash? Android 4.1.2 - Sprint US - 9.8.2Q-122_XT897_FFW-5 (No simlock) ?
If you are on stock, you should be able to update the PRL within the ROM.

I was trying to use it with cdma network through sprint. and yeah that was the file i downloaded, had to remove the getvar to get it working but flashed with no errors after doing that.
As for updating the prl i can barely navigate through the phone, there is no home page loading and the process pop comes up often enough that its hard to go through the settings

crispy6 said:
I was trying to use it with cdma network through sprint. and yeah that was the file i downloaded, had to remove the getvar to get it working but flashed with no errors after doing that.
As for updating the prl i can barely navigate through the phone, there is no home page loading and the process pop comes up often enough that its hard to go through the settings
Click to expand...
Click to collapse
Sounds like something went wrong mate. Are you already activated on Sprint? I don't know if that would matter, it might.
I would honestly redownload and redo the RSD process.

arrrghhh said:
Sounds like something went wrong mate. Are you already activated on Sprint? I don't know if that would matter, it might.
I would honestly redownload and redo the RSD process.
Click to expand...
Click to collapse
I originally tried to activate the phone through cyanogen and then when the rep said he couldnt do it because of the lack of prl to update within the rom we just setup the activation back on the old phone/ That phone is working on the network.
I re-downloaded the file just in case and re-flashed but same problem. The only thing i thought of was maybe updating the radio but since its a stock rom it should work out of the gate. whats also weird is i tried turning wifi on but it didnt work either.
Anychange you know of a rom that works with sprint. I dont care if its stock since i would probably root later again.

crispy6 said:
I originally tried to activate the phone through cyanogen and then when the rep said he couldnt do it because of the lack of prl to update within the rom we just setup the activation back on the old phone/ That phone is working on the network.
I re-downloaded the file just in case and re-flashed but same problem. The only thing i thought of was maybe updating the radio but since its a stock rom it should work out of the gate. whats also weird is i tried turning wifi on but it didnt work either.
Anychange you know of a rom that works with sprint. I dont care if its stock since i would probably root later again.
Click to expand...
Click to collapse
Which one are you flashing?
Try another perhaps...? I honestly have never heard of this. It sounds like the phone might be damaged, or the RSD process just did not flash correctly.
I guess I should ask, was the phone modified at all for the GSM SIM slot mod? I wonder if having a non-Sprint SIM in is messing with it... That is just a shot in the dark.

arrrghhh said:
Which one are you flashing?
Try another perhaps...? I honestly have never heard of this. It sounds like the phone might be damaged, or the RSD process just did not flash correctly.
I guess I should ask, was the phone modified at all for the GSM SIM slot mod? I wonder if having a non-Sprint SIM in is messing with it... That is just a shot in the dark.
Click to expand...
Click to collapse
so far the only rom i tried was 10.1 cyanogen and the stock rom for jellybean. However for the stock rom it doesnt let me downgrade to ics with rsd 6.1.5 do you think if i downloaded an old version i could downgrade to a lower stock rom?
Also I honestly had not looked for the cdma roms since most of what i saw was troubleshooting related for this phone but i just saw this rom -AOKP 4.2.2 (Android Open Kang Project) (CDMA&GSM) that you created - http://forum.xda-developers.com/showthread.php?t=2293892
I re-rooted and installed that one and it looks great, just wondered how you got sprint to activate the phone or if you had done it before changing the rom? Also how would the prl and profile be updated.
Lastly the wifi wasn't turning on this time either, it did work initially when i got the phone so that has me stumped.

crispy6 said:
so far the only rom i tried was 10.1 cyanogen and the stock rom for jellybean. However for the stock rom it doesnt let me downgrade to ics with rsd 6.1.5 do you think if i downloaded an old version i could downgrade to a lower stock rom?
Also I honestly had not looked for the cdma roms since most of what i saw was troubleshooting related for this phone but i just saw this rom -AOKP 4.2.2 (Android Open Kang Project) (CDMA&GSM) that you created - http://forum.xda-developers.com/showthread.php?t=2293892
I re-rooted and installed that one and it looks great, just wondered how you got sprint to activate the phone or if you had done it before changing the rom? Also how would the prl and profile be updated.
Lastly the wifi wasn't turning on this time either, it did work initially when i got the phone so that has me stumped.
Click to expand...
Click to collapse
To downgrade to ICS, you need to remove some additional lines. See this post for more information on that.
However, you should be able to update the PRL on either stock ROM.
I think I said this before, but I will say it again. You need to do PRL updates, activate the phone, and get EVERYTHING working on stock BEFORE you flash ANY custom ROM. This is just standard practice - you don't want to put the cart before the horse! Get the phone working, then play with custom ROM's.

Solved Razr Maxx HD xt926 no network connectivity on costum firmware

Hello dear community,
I recently bought the Motorola Razr Maxx HD for use in germany as I live there and the handset is not available there.
Before buying the phone I made sure it was global ready. On stock rom 4.1.2 I had no issues getting a data connection, all I had to do was edit the APN manually. Happy that it worked I continued messing with my new phone by rooting, unlocking and flashing a costum firmware on the phone.
I tried Carbon rom nightly 27/07/2013 and a port of Vanilla RootBox, sadly both did not want to connect to my carrier after editing APN settings.
What did I forget to do?
Thanks in advance
Edit:
Solved the "issue" for me. Just flashed a xt925 cfw and there we go, network connectivity
A better solution is to flash a x926 rom and to remove/outline this part in the build.prop:
telephony.rilV7NeedCDMALTEPhone=true
Reboot and gsm/umts works.

iceeyes91 said:
Hello dear community,
I recently bought the Motorola Razr Maxx HD for use in germany as I live there and the handset is not available there.
Before buying the phone I made sure it was global ready. On stock rom 4.1.2 I had no issues getting a data connection, all I had to do was edit the APN manually. Happy that it worked I continued messing with my new phone by rooting, unlocking and flashing a costum firmware on the phone.
I tried Carbon rom nightly 27/07/2013 and a port of Vanilla RootBox, sadly both did not want to connect to my carrier after editing APN settings.
What did I forget to do?
Thanks in advance
Edit:
Solved the "issue" for me. Just flashed a xt925 cfw and there we go, network connectivity
Click to expand...
Click to collapse
One sure way to bork your radio is to mess with the band with a phone info app or *#*#4636#*#*. I am sure there other ways to do the same thing. Only fix is a full restore to stock.

aviwdoowks said:
One sure way to bork your radio is to mess with the band with a phone info app or *#*#4636#*#*. I am sure there other ways to do the same thing. Only fix is a full restore to stock.
Click to expand...
Click to collapse
I tried that and set the device to gsm only (and other) but there was no receiption nor would the phone recognize my sim card anymore.
The strangest thing was that the network settings kept crashing if I wanted to open them.
I googled a lot, searched in different forums but never found a solution. Then I read somewhere that someone flashed the gsm rom of his phone on his CDMA version and it worked and I thought well what could possibly go wrong as I have a more than one nadroid backup .

iceeyes91 said:
I tried that and set the device to gsm only (and other) but there was no receiption nor would the phone recognize my sim card anymore.
The strangest thing was that the network settings kept crashing if I wanted to open them.
I googled a lot, searched in different forums but never found a solution. Then I read somewhere that someone flashed the gsm rom of his phone on his CDMA version and it worked and I thought well what could possibly go wrong as I have a more than one nadroid backup .
Click to expand...
Click to collapse
No, a nandroid will not fix it. Something gets wrong that the restore cannot fix.
What is a : xt925 cfw? A full restore?

aviwdoowks said:
No, a nandroid will not fix it. Something gets wrong that the restore cannot fix.
What is a : xt925 cfw? A full restore?
Click to expand...
Click to collapse
No, with xt925 cfw I meant a rom like Cm 10.1 for the international model.
I too reverted back to a Rage HD 2.0 backup, as there are quite some sound issues with 4.2.2 roms and so far I have no problems with radio.

xt926
iceeyes91 said:
Hello dear community,
I recently bought the Motorola Razr Maxx HD for use in germany as I live there and the handset is not available there.
Before buying the phone I made sure it was global ready. On stock rom 4.1.2 I had no issues getting a data connection, all I had to do was edit the APN manually. Happy that it worked I continued messing with my new phone by rooting, unlocking and flashing a costum firmware on the phone.
I tried Carbon rom nightly 27/07/2013 and a port of Vanilla RootBox, sadly both did not want to connect to my carrier after editing APN settings.
What did I forget to do?
Thanks in advance
Edit:
Solved the "issue" for me. Just flashed a xt925 cfw and there we go, network connectivity
A better solution is to flash a x926 rom and to remove/outline this part in the build.prop:
telephony.rilV7NeedCDMALTEPhone=true
Reboot and gsm/umts works.
Click to expand...
Click to collapse
must flash via stock rom
i hope your problem solve must reflash mobile this file
VZW_XT926_4.4.2-KDA20.62-15.1_CFC_1FF.xml

Buying soon. Question concerning roms

So, I'm buying this to replace my evo 4g and I was wondering how I would go about using a custom ROM for this and having the apns and data working correctly.
I plan to activate it on Ting.
To be a bit clearer, I want to use a custom ROM and I want to be sure that it'll work. So first, can anyone on Ting confirm that they're running a custom ROM (preferably KitKat) with no problems?
And I assume I'd have to activate the phone first, then install a custom ROM. Would I have any problems doing that? Would the apns be messed up? Or should everything be fine as long as I activate the phone and update everything on stock before installing a ROM? Reason I ask is because I know some Roms don't allow the *#*# thing needed to activate a phone on a new network.
Thanks!

I am using mine on Ting. I had used my first Q as unrooted stock JB, which worked pretty well for a year, but then it reached a near--bricked state where it wouldn't boot past the yellow Sprint screen. I couldn't resolve this in a timely fashion, so wound up buying a second Q which runs stock ICS, but failed to download the stock JB update.
In the meantime, I unlocked both phones' bootloaders, and tried a few kItkat ROMs on my original phone before settling on CM 10.2, which is a JB ROM. I then switched my Ting activation (back) to this phone. The lack of #*# commands isn't really a problem with respect to re-activation, but it is a problem with respect to PRLs and (perhaps) APNs. I recommend Ting activation and a PRL update prior to installing your custom ROM.
Like others, I would like to learn about a stable kitkat ROM where bluetooth, wifi, and phone data/sms/calling all work reliably. My other primary requirement is the ability to play DRM'd downloaded Amazon Prime Music, which didn't work on the kitkat ROMs I tried, but does work on my JB ROM.
Sent from my XT897 using Tapatalk

[Q] D850 but now on T-mobile how hard is it to get CM11/12

As the title says, I am on T-mobile now with my D850. My phone is currently unlocked and rooted using stock rom.
the last phone i flashed a custom rom was with my htc one x and frankly i forgotten all the little details and never bothered because it took a lot of time. i know i need bootloader unlocked to install a custom recovery to flash the rom then back up, install gapps, etc etc. I don't have time or the patience to relearn everything.
I got interested in learning that CM11 is available and i checked out the CM website and was surprised to hear all i have to do is install the installer on both my phone and PC and boom, everything else is automated. This is what i want to try. Here are my questions:
- do i have to manually install any apn, radio, etc. things of that nature to get the proper t-mobile network signal for voice, LTE data, and text messaging?
- is an official D850 released so that once i install, i can simply keep up to date into CM12 via automatic updates through the software? (one click update OTA)
- do i need to make a titanium back up or will all my apps and settings stay when i flash CM?
I appreciate any and all answers. I have not unlocked bootloader via bump yet. but my main worry is will i have to custom install/input all the t-mobile apn and radios because that will require me to manually find and install and risk messing things up.

chillsen said:
As the title says, I am on T-mobile now with my D850. My phone is currently unlocked and rooted using stock rom.
the last phone i flashed a custom rom was with my htc one x and frankly i forgotten all the little details and never bothered because it took a lot of time. i know i need bootloader unlocked to install a custom recovery to flash the rom then back up, install gapps, etc etc. I don't have time or the patience to relearn everything.
I got interested in learning that CM11 is available and i checked out the CM website and was surprised to hear all i have to do is install the installer on both my phone and PC and boom, everything else is automated. This is what i want to try. Here are my questions:
- do i have to manually install any apn, radio, etc. things of that nature to get the proper t-mobile network signal for voice, LTE data, and text messaging?
- is an official D850 released so that once i install, i can simply keep up to date into CM12 via automatic updates through the software? (one click update OTA)
- do i need to make a titanium back up or will all my apps and settings stay when i flash CM?
I appreciate any and all answers. I have not unlocked bootloader via bump yet. but my main worry is will i have to custom install/input all the t-mobile apn and radios because that will require me to manually find and install and risk messing things up.
Click to expand...
Click to collapse
You just need to install Bump! And a backup is recommended in case something goes wrong, as far as connecting to tmobile all you need is the APN, i have a D850 and i live in mexico and CM11 and 12 work fine with just the apn, also everything will get wiped except for pics and music if you dont wipe internal storage

SmokeyTech1 said:
You just need to install Bump! And a backup is recommended in case something goes wrong, as far as connecting to tmobile all you need is the APN, i have a D850 and i live in mexico and CM11 and 12 work fine with just the apn, also everything will get wiped except for pics and music if you dont wipe internal storage
Click to expand...
Click to collapse
errr i am not comfortable with adb to install bump! would the automated installer on pc and phone do all this for me? i guess i can try? i just love how CM installer does everything for you. also thanks for confirming all i need to do is input the APN which i'm familiar with when i had switched to t-mobile after i had unlocked my phone. lastly will i have to install gapps separately? Thank you so much, i wish i didn't have to use adb to bump!

chillsen said:
errr i am not comfortable with adb to install bump! would the automated installer on pc and phone do all this for me? i guess i can try? i just love how CM installer does everything for you. also thanks for confirming all i need to do is input the APN which i'm familiar with when i had switched to t-mobile after i had unlocked my phone. lastly will i have to install gapps separately? Thank you so much, i wish i didn't have to use adb to bump!
Click to expand...
Click to collapse
Dont need to use adb, just download flashify from the play store, does it all by itself, very easy, the automated installer is just for the rom, you need a recovery first, the gapps should be installed at the same time as the rom, but ive never used the auto installer, i would flash it with the recovery, i like to things manually

Just to let you know that with every AOSP ROM with a T-Mobile Sim you will get a kernel panic if using LTE. I have the D850 but using a T-Mobile Sim. I have to have it on 3g instead of LTE. No ones been able to figure it out I'm guessing because there is only one or two of us using a T-Mobile Sim with this phone. Bummer huh
???CAUTION???
May ruin other ROMS after this
because nothing compares

coletague said:
Just to let you know that with every AOSP ROM with a T-Mobile Sim you will get a kernel panic if using LTE. I have the D850 but using a T-Mobile Sim. I have to have it on 3g instead of LTE. No ones been able to figure it out I'm guessing because there is only one or two of us using a T-Mobile Sim with this phone. Bummer huh
???CAUTION???
May ruin other ROMS after this
because nothing compares
Click to expand...
Click to collapse
Well then have you thought of changing carriers? It is a d850 for Att ..... Does it kernel panic on stock Roms ? You might just be **** out of luck cause I'm pretty sure everyone here uses Att. I use straight talk with no issues. You have slim choices..... Change carriers. .... Quit using T-Mobile if you are unhappy with the custom ROM and LTE kernel panics. Or buy a T-Mobile g3..... Lol suck eh... But just telling you what you need to hear.
Or maybe if you are ballsy try to see if a Dev for T-Mobile can help you with this cause I'm thinking that may be your beat bet cause none of us use T-Mobile. :thumbup::beer:
2SHAYNEZ

It's fine with stock based ROM s which I'd rather be on AOSP with HSPA
???CAUTION???
May ruin other ROMS after this
because nothing compares

coletague said:
It's fine with stock based ROM s which I'd rather be on AOSP with HSPA
???CAUTION???
May ruin other ROMS after this
because nothing compares
Click to expand...
Click to collapse
Maybe it will iron itself out after a while. Good luck
2SHAYNEZ

Do you have a beef with him or what?

4ndroid4Life said:
Do you have a beef with him or what?
Click to expand...
Click to collapse
You chose to say this for your first post on XDA ....... Wow...
2SHAYNEZ

coletague said:
Just to let you know that with every AOSP ROM with a T-Mobile Sim you will get a kernel panic if using LTE. I have the D850 but using a T-Mobile Sim. I have to have it on 3g instead of LTE. No ones been able to figure it out I'm guessing because there is only one or two of us using a T-Mobile Sim with this phone. Bummer huh
Click to expand...
Click to collapse
interesting note, will update you, LTE seems to be working fine, speeds are fine, but i need to use LTE longer to see the kernel problem. I'm on the CM 11, dec 6 nightly currently. how about you?

Latest nightly of cm12. Try downloading a ROM over LTE
???CAUTION???
May ruin other ROMS after this
because nothing compares

It's always recommended to use WiFi to download any Roms anyways ..... Do you have a crap ton if data or something ...
2SHAYNEZ

I don't have Internet.
I have literally unlimited data. My phone was free and my service is free

coletague said:
I don't have Internet.
I have literally unlimited data. My phone was free and my service is free
Click to expand...
Click to collapse
That's crazy... You must work for tmo
2SHAYNEZ

Is it now understandable why I use T-Mobile? Lol
???CAUTION???
May ruin other ROMS after this
because nothing compares

coletague said:
Is it now understandable why I use T-Mobile? Lol
???CAUTION???
May ruin other ROMS after this
because nothing compares
Click to expand...
Click to collapse
Oh yeah absolutely... Hook me up jeez.... Straight tall is good and all but unlimited unthrottled just isn't fair lol. Jeeez
2SHAYNEZ

Ha I can only have two Sims the way I do and that one is occupied. Fix my kernel panics lol I'll give you a last kmsg
???CAUTION???
May ruin other ROMS after this
because nothing compares

[q] need help with no service and no mobile network available

I have no service and no cellular network problem on my N5, running dark rom 7.1.2 aosp, with franco kernel ( never had issues before ), newest radio and bootloader. This started happening when i got my new sim card from my provider and i got 4g signal in my area for the first time. I tried manually selecting radio by going in the hidden menu by entering *#*#4636#*#* and i got lte and full bars signal after selecting band 8 ( 1800 hz ) but only for a minute then it went back to empty triangle. Tried selecting 3g only in preffered network, tried manually selecting provider, tried toggling airplane mode on/off a bunch of times nothing works. Any suggestion would be highly appreciated, i love my N5 very much and i would hate to throw it in a drawer somewhere. Thanks in advance

Flash back to a stock ROM and test it worth your new new.
Does the sim work in another phone?

audit13 said:
Flash back to a stock ROM and test it worth your new new.
Does the sim work in another phone?
Click to expand...
Click to collapse
Yes the sim is working fine on any other phone. I will try gping back to stock thanks

EmilChurle23 said:
Yes the sim is working fine on any other phone. I will try gping back to stock thanks
Click to expand...
Click to collapse
Were you ever able to get this rectified? I have recently been having this problem as well. I have flashed back to ROMs I was previously using and flashed back to stock to no avail. My SIM card works in other devices as well. I really do not want to have to drop on a new phone, but I have tried every solution I have found online to no avail. I think it's fair to say that I am desperate right now.
edit: I found another thread on XDA that I'm looking into, I'll edit again if it works. I'm unsure how it took me so long to find that thread.
edit2: https://forum.xda-developers.com/go...getting-cdma-networks-to-nougat-roms-t3534679 is the thread that I found useful; I am now running Pure Nexus 7.1.2 with a full connection. Specifically, his second comment about installing 6.0.1 stock, backing up the efs, flashing the desired ROM, then restoring the efs is what ended up fixing it for me.

iamxaq said:
Were you ever able to get this rectified? I have recently been having this problem as well. I have flashed back to ROMs I was previously using and flashed back to stock to no avail. My SIM card works in other devices as well. I really do not want to have to drop on a new phone, but I have tried every solution I have found online to no avail. I think it's fair to say that I am desperate right now.
edit: I found another thread on XDA that I'm looking into, I'll edit again if it works. I'm unsure how it took me so long to find that thread.
edit2: https://forum.xda-developers.com/go...getting-cdma-networks-to-nougat-roms-t3534679 is the thread that I found useful; I am now running Pure Nexus 7.1.2 with a full connection. Specifically, his second comment about installing 6.0.1 stock, backing up the efs, flashing the desired ROM, then restoring the efs is what ended up fixing it for me.
Click to expand...
Click to collapse
Gonna try this fix now and I'll edit the result thanks for some hope

EmilChurle23 said:
Gonna try this fix now and I'll edit the result thanks for some hope
Click to expand...
Click to collapse
This morning it's not sticking with Pure Nexus, so I'll be trying DarkRom. I really don't want to use a CAF if I can avoid it, but it may become a necessity. Do people on T-Mobile have this problem?

iamxaq said:
This morning it's not sticking with Pure Nexus, so I'll be trying DarkRom. I really don't want to use a CAF if I can avoid it, but it may become a necessity. Do people on T-Mobile have this problem?
Click to expand...
Click to collapse
I wil try aosp by santosh m and see if it sticks

EmilChurle23 said:
I wil try aosp by santosh m and see if it sticks
Click to expand...
Click to collapse
So I've hit a point where I have 3G and nothing else. I can't yet get LTE to work. I'm using LineageOS CAF. How about yourself?

iamxaq said:
So I've hit a point where I have 3G and nothing else. I can't yet get LTE to work. I'm using LineageOS CAF. How about yourself?
Click to expand...
Click to collapse
No luck with aosp by santosh m and pure nexus 7.1.2 , can't even get it to connect. I guess my last hope is caf based i will try lineageos caf. All i need is the efs backup from stock? If i can get it to work with 3g i will be satisfied because i did some digging and found out that my network provider which is Vip MK has no lte support for nexus 5 d820 ( my model ) only 3g, but i can't even connect with 3g selected. I guess because this one is for US frequencies it will not work whatever i try but i will give lineageos caf a chance.

EmilChurle23 said:
No luck with aosp by santosh m and pure nexus 7.1.2 , can't even get it to connect. I guess my last hope is caf based i will try lineageos caf. All i need is the efs backup from stock? If i can get it to work with 3g i will be satisfied because i did some digging and found out that my network provider which is Vip MK has no lte support for nexus 5 d820 ( my model ) only 3g, but i can't even connect with 3g selected. I guess because this one is for US frequencies it will not work whatever i try but i will give lineageos caf a chance.
Click to expand...
Click to collapse
I was able to get 3G only to work on my Nexus 5 by reflashing the EFS from 6.0.1; I'm trying right now to see if I can install PureNexus 6.0.1 then dirty flash to PureNexus 7.1.2 with any success. Also, I might just switch to T-Mobile, but I have to wait until later this week for that.

Hi,
LTE band 8 is not in 1800 MHz but first of all you can check your N5 model - US model is D820 and is not supported for LTE on 1800 MHz (band 3). For 1800 Mhz band you need D821 model.
Regards,

iamxaq said:
Were you ever able to get this rectified? I have recently been having this problem as well. I have flashed back to ROMs I was previously using and flashed back to stock to no avail. My SIM card works in other devices as well. I really do not want to have to drop on a new phone, but I have tried every solution I have found online to no avail. I think it's fair to say that I am desperate right now.
edit: I found another thread on XDA that I'm looking into, I'll edit again if it works. I'm unsure how it took me so long to find that thread.
edit2: https://forum.xda-developers.com/go...getting-cdma-networks-to-nougat-roms-t3534679 is the thread that I found useful; I am now running Pure Nexus 7.1.2 with a full connection. Specifically, his second comment about installing 6.0.1 stock, backing up the efs, flashing the desired ROM, then restoring the efs is what ended up fixing it for me.
Click to expand...
Click to collapse
To clarify that:
You had the problem with not recognizing the sim or having no service at all. And you solved this by flashing the sstock 6.0.1 backing up the efs, flashing to Pure Nexus 7.1.2 and restoring the efs immediatley after flashing the rom (+kernel+root+etc)?
This solves this mysterious no sim/no service bug, which many (?) N5 owners experience? If this is true, I'd be really happy

Iced-Earth said:
To clarify that:
You had the problem with not recognizing the sim or having no service at all. And you solved this by flashing the sstock 6.0.1 backing up the efs, flashing to Pure Nexus 7.1.2 and restoring the efs immediatley after flashing the rom (+kernel+root+etc)?
This solves this mysterious no sim/no service bug, which many (?) N5 owners experience? If this is true, I'd be really happy
Click to expand...
Click to collapse
It didn't stick. After I lost it I was unable to get it back. I gave up and switched to T-Mobile, where it is no longer a problem. Apologies for not having more testing information. I was able to get solely 3G on multiple instances, but getting the elusive 4G was beyond me.

I've had this problem before in two nexus, one of them running latest stock and the other a customized ROM. I tried to flash a stock ROM image in both of them with no luck. I was pretty sure that the image I was flashing was the latest, so the radio & bootloader should be flashed to the latest versions. But it didn't worked.
Finally I found on a XDA thread where someone was posting only the latest bootloader & radio to flash. I did it with NRT (in Advanced Utilities) and it worked:
View attachment 4196236
I can't remember or find the thread, so I post the images here:
- Bootloader-hammerhead-hhz20h.img
- Radio-hammerhead-m8974a-2.0.50.2.30.img
I think I had to flash them twice because the first time it wasn't right, but there were 4 months since then and still no failure

ochoceros said:
I've had this problem before in two nexus, one of them running latest stock and the other a customized ROM. I tried to flash a stock ROM image in both of them with no luck. I was pretty sure that the image I was flashing was the latest, so the radio & bootloader should be flashed to the latest versions. But it didn't worked.
Finally I found on a XDA thread where someone was posting only the latest bootloader & radio to flash. I did it with NRT (in Advanced Utilities) and it worked:
View attachment 4196236
I can't remember or find the thread, so I post the images here:
- Bootloader-hammerhead-hhz20h.img
- Radio-hammerhead-m8974a-2.0.50.2.30.img
I think I had to flash them twice because the first time it wasn't right, but there were 4 months since then and still no failure
Click to expand...
Click to collapse
Thanks for your input. I'll check that when I have some time. This is really weird as it looks like a hardware problem but if you can fix it with this method it's clearly a software issue...
best regards