No Signal Problem/Unlocked phone - General Questions and Answers

Hi !
I need urgent help , i bought SONY ERRICSON EXPERIA PRO MK16I FROM EBAY.
The phone is imported and i am from india , the dealer says that the phone is unlocked.
Ecert thing works fine but there is a huge network problem.
Phone is gsm and only 2-3 network providers like vodafone and reliance work but the signals are so poor that the call may drop at any second, while using internet signals drops everytime, even on the top floor the signals are poor , just one or two bars some times the bars are full the again the bars are no more.
The phone had android 2.3 operating system which was upgraded by the dealer to 4.0
i used upgraded from sony web side and from software nothing work
it's not working. It's been like this for around 1 months now, and I really want it to work! And i've tried reseting, updating the ROM, changing SIM card and put in a totally new SIM card and it's work but signals:crying: drop every time, oh i am so upset.... SIGNAL DROPS EVERY TIME !!
dealer refused to return the phone , i bought the phone from the dealer so it's under seller warranty
the sony service center in india is so poor that they will steal my mobile parts if i will take their help.
i have shown the phone to some local mobile repair experts and some says that network ic is the problem , emei is the problem , some say the phone might not unlocked , some say that do not have the files to solves the problem because the phone is imported.
Is there anyone who can tell me what is the problem with this cellphone
I have tried up every possible way and i am not financially strong to buy a new phone and i don't know who will buy this cellphone if i am ready to sell it ..
Regards

vivekaroraus said:
Hi !
I need urgent help , i bought SONY ERRICSON EXPERIA PRO MK16I FROM EBAY.
The phone is imported and i am from india , the dealer says that the phone is unlocked.
Ecert thing works fine but there is a huge network problem.
Phone is gsm and only 2-3 network providers like vodafone and reliance work but the signals are so poor that the call may drop at any second, while using internet signals drops everytime, even on the top floor the signals are poor , just one or two bars some times the bars are full the again the bars are no more.
The phone had android 2.3 operating system which was upgraded by the dealer to 4.0
i used upgraded from sony web side and from software nothing work
it's not working. It's been like this for around 1 months now, and I really want it to work! And i've tried reseting, updating the ROM, changing SIM card and put in a totally new SIM card and it's work but signals:crying: drop every time, oh i am so upset.... SIGNAL DROPS EVERY TIME !!
dealer refused to return the phone , i bought the phone from the dealer so it's under seller warranty
the sony service center in india is so poor that they will steal my mobile parts if i will take their help.
i have shown the phone to some local mobile repair experts and some says that network ic is the problem , emei is the problem , some say the phone might not unlocked , some say that do not have the files to solves the problem because the phone is imported.
Is there anyone who can tell me what is the problem with this cellphone
I have tried up every possible way and i am not financially strong to buy a new phone and i don't know who will buy this cellphone if i am ready to sell it ..
Regards
Click to expand...
Click to collapse
Maybe give this a shot:
http://forum.xda-developers.com/showthread.php?t=1684009

AndroidDevGru said:
Maybe give this a shot:
http://forum.xda-developers.com/showthread.php?t=1684009
Click to expand...
Click to collapse
Thank you very much but i am not getting this solution in the link..i know nothing about flashing , rooting loading and in my city i and 100% sure not a single person can help me..
Can you please explain the solution in the link in a very simple way..please help me else my all hard earned money will go in vain..i am not able to buy a new phone ..i am too much upset.please help
Regards

vivekaroraus said:
Thank you very much but i am not getting this solution in the link..i know nothing about flashing , rooting loading and in my city i and 100% sure not a single person can help me..
Can you please explain the solution in the link in a very simple way..please help me else my all hard earned money will go in vain..i am not able to buy a new phone ..i am too much upset.please help
Regards
Click to expand...
Click to collapse
Sorry, but I don't have this phone.
We all where noobs at some point and started with nothing.
The link provides a step by step guide, so trowing your arms up and saying i know nothing - help me wont cut it here am afraid.
Get your **** together and learn how to follow instructions.
If you run into problems, try again, only if all else fails come back and ask for help.

This sounds like a firmware issue. Did you look around for the proper firmwares to flash.. remember don't flash firmwares with an unlocked bootloader. Flash before , then unlock then root. Flashing firmwares on a unlocked bootloader bricked our Sony play. I have since relocked the bootloader and flashed over the UK firmwares. Now we get 3g. Before this we were stuck on 2g (edge). Be careful and good luck
Sent from my HTC_Amaze_4G

Related

[Q] No GSM signal after repair??

Hi to everyone
I bricked my phone after flash. It was compleatly dead.
The problem arrives when I collect the phone from repair shop.
They did not charge me coz the phone don't see any network. I thing they resurrect my phone and flash it from basis.
Phone was unlocked by code before I bricked it.
Now everything is working fine but after inserting a sim card it saying "no network"
Any ideas or sugestion??
Thanks
When you send something for a repair and get a non-working thing back, do NOT mess with anything and send it back where it came from. They were supposed to repair it, huh?
Thanks for a quick reply
The phone was compleatly dead after my flashing, it was not reacting at all. I was flashing with unofficial firmware so I'd think that sending it to LG it's not good idea.
So I give it to repair shop. After a week the phone was ready but with no GSM. They said "it's only this what we can do about it".
Second repair shop tried to flash it with official T mobile firmware. The same- no gsm.
So I'm left on my own.
Well, phone without GSM is useless.
How did you brick it exactly? What were you flashing and how?
What is the ROM installed there now? What is the baseband version? Is there any IMEI shown in phone info?
Yep, but is good for wi-fi
I was flashing with LG official software and it fails. I forgot to enable LG virtual modem driver. The software utility hangs up for 4h. I woke up pissed off and i took battery out, I know, I'm genius. After that I lost ability to enter emergency mode, even fast boot was not working. Oh my Lg R.I.P
I was updating from 2.2.2 (KDZ flash) to 2.3.3 (LG update tool)
IMEI is showing
Baseband AMSS6038
Rom LG-P500-V20e (2.3.3.)
One more thing
When I collect phone from repair shop the IMEI was 0 and they change it to normal, like on the label.
omen-am said:
IMEI is showing
Baseband AMSS6038
Rom LG-P500-V20e (2.3.3.)
Click to expand...
Click to collapse
Should work... The SIM is good? (Try another one ) Is there some GSM signal around?
Other than that, you can try to flash again via LGMPD or whatever. If it does not work, then brick it again (you have the know-how apparently ) and take it to LG for PCB replacement.
Send it to lg service centre..they have more knowledge and experience den repair shops
I'd try 3, vodafone, orange and O2 sim card
Signal coverage in my area is good
I was also flashing throught LGMPD
When phone was in repair they opend it. There are marks on screws and on the top from prying tool. You think I should try send it to lg??
Well... if you want to use your phone as a phone, then... Ask them whether they would charge you and how much.
prying tool
Click to expand...
Click to collapse
OMG... is that the job of the "repair" shop?! In that case...
I know. They should sell potatos on the market, not fixing the phones.
Oh well. I'll call later to lg and ask about that or brick it again, cover marks on the screws and hope it'll go throught.
Thanks a lot for help
omen-am said:
I know. They should sell potatos on the market, not fixing the phones.
Click to expand...
Click to collapse
One more thing - does the current IMEI match the one on the box you got with your phone?? Cause what I suspect that they took some ****ty broken board from a phone with non-working GSM and did put that into your phone. Kinda doubt the morons who are using prying tools would know what JTAG is and how to work with that.
@Omen-am: I have the same problem, used the same flash methods and also got my phone bricked. Go someone on ebay to jtag resurrect it and now I can switch it on, have already flashed all the versions of firmware that used to be on there to the latest GB but none of them recognize my sim card (which work fine in my old phone). So now I have a perfectly working "mini-tablet" working fine with wifi, bit no gsm service. So my question is, have you been able to fix yours? Do anyone out there know of a fix?
Thanks
omen-am said:
Hi to everyone
I bricked my phone after flash. It was compleatly dead.
The problem arrives when I collect the phone from repair shop.
They did not charge me coz the phone don't see any network. I thing they resurrect my phone and flash it from basis.
Phone was unlocked by code before I bricked it.
Now everything is working fine but after inserting a sim card it saying "no network"
Any ideas or sugestion??
Thanks
Click to expand...
Click to collapse
even my phone was dead while upgrading... I took it to LG and said that it was dead while i was doing an upgrade using the PC suite... they accepted it and replaced the PCB without any charge and after 6 days i got it back ..
Having a same issue.
hi Friends,
I also have same issue my IMEI shows Unkown how can I get back my real IMEI is there any way to edit NV2 file ?
Anyone Found Solution?? I Have the Same Problem.. No GSM After repaired.
warlock911 said:
Anyone Found Solution?? I Have the Same Problem.. No GSM After repaired.
Click to expand...
Click to collapse
Straightaway go to LG AUTHORIZED REPAIR CENTER near your location.
Hope it helps.

[HELP] Can't connect to any network in UK

Hello
I have problem with my Sensation.
I bought phone year ago (on polish equivalent of ebay), from someone who lives in UK and he send me it to Poland. It worked perfectly there, till now.
Two days ago I came to UK, and since I switched phone ON after getting off the plane, I can't connect to any of the cellular network.
I am sure that SIM slot is OK because phone asks me to enter SIM pin code.
When I am trying to manually select network I got 'Your SIM card does not allow a connection to this network', and when automatically 'Unable to connect to this network at this time. Please try again later.'
Wifi and GPS working fine.
I dont have a clue whats the reason of that, where the problem lies.
Phone has ARHD 6.7.2 ROM, firmware 3.33.401.106.
Any help is appreciated as I need phone badly, to have mail and internet access throught the day :crying:
PS. I am starting to think that UK seller could scam me, and sold me phone with blocked IMEI or something like this? :/
Hi have you tried to change your radio And ril? This could help you regain signal. I can't recommend a particular radio and ril because we live in different areas and it will be different. However you can start by experimenting with the generic ICS radios and rils and see of one of those will reconnect your signal.best wishes.Hope this helps solve your issue!
sent from HTC sensation, soff, 3.33 firmware, viper Rom, sense 4.1, kernel version PYD-X stable 3.1, mugen battery 3800mah. Please press thanks if I helped in anyway.
Decado_PL said:
Hello
I have problem with my Sensation.
I bought phone year ago (on polish equivalent of ebay), from someone who lives in UK and he send me it to Poland. It worked perfectly there, till now.
Two days ago I came to UK, and since I switched phone ON after getting off the plane, I can't connect to any of the cellular network.
I am sure that SIM slot is OK because phone asks me to enter SIM pin code.
When I am trying to manually select network I got 'Your SIM card does not allow a connection to this network', and when automatically 'Unable to connect to this network at this time. Please try again later.'
Wifi and GPS working fine.
I dont have a clue whats the reason of that, where the problem lies.
Phone has ARHD 6.7.2 ROM, firmware 3.33.401.106.
Any help is appreciated as I need phone badly, to have mail and internet access throught the day :crying:
PS. I am starting to think that UK seller could scam me, and sold me phone with blocked IMEI or something like this? :/
Click to expand...
Click to collapse
Sounds like your Polish carrier/SIM might not be allowing international roaming. Get a PAYG SIM for a couple of quid and try that. That'd prove the phone side of things.
Try
Try putting in a diffrent Sim card to see if it's that.
Decado_PL said:
Hello
I have problem with my Sensation.
I bought phone year ago (on polish equivalent of ebay), from someone who lives in UK and he send me it to Poland. It worked perfectly there, till now.
Two days ago I came to UK, and since I switched phone ON after getting off the plane, I can't connect to any of the cellular network.
I am sure that SIM slot is OK because phone asks me to enter SIM pin code.
When I am trying to manually select network I got 'Your SIM card does not allow a connection to this network', and when automatically 'Unable to connect to this network at this time. Please try again later.'
Wifi and GPS working fine.
I dont have a clue whats the reason of that, where the problem lies.
Phone has ARHD 6.7.2 ROM, firmware 3.33.401.106.
Any help is appreciated as I need phone badly, to have mail and internet access throught the day :crying:
PS. I am starting to think that UK seller could scam me, and sold me phone with blocked IMEI or something like this? :/
Click to expand...
Click to collapse
If your home network doesn't have an agreement with UK networks then your SIM won't work, not sure if this is realistic as I thought they were all only to happy to help others take money from us. Try a UK SIM, if that doesn't work then your IMEI is probably blocked in the UK, but not in Poland.
It's a simple answer Your phone has been reported as lost/stolen in UK and IMEI has been black listed. It's now paper weight in UK.
Pogon telefon w PL i kup sobie inny w UK.
Sorry for not mentioning - ofcourse I tried other sim cards, like o2 and vodafone - neither of it worked. My PL carrier sim worked in roaming in different phone.
So it looks like IMEI is blocked, I just wonder if I should go to the Police to check this out but I dont want to have it confiscated :/
Butif its true, Im not going to leave this scammer unpunished - I'll try legal action :/
Actions
Decado_PL said:
Sorry for not mentioning - ofcourse I tried other sim cards, like o2 and vodafone - neither of it worked. My PL carrier sim worked in roaming in different phone.
So it looks like IMEI is blocked, I just wonder if I should go to the Police to check this out but I dont want to have it confiscated :/
Butif its true, Im not going to leave this scammer unpunished - I'll try legal action :/
Click to expand...
Click to collapse
Instead of legal action why not just find him and remove a thumd. maybe both thumbs to be sure.
The sad thing about having an IMEI number on the black list is that it can't come off that list. At least from my experiences.
deemax_real said:
It's a simple answer Your phone has been reported as lost/stolen in UK and IMEI has been black listed. It's now paper weight in UK.
Pogon telefon w PL i kup sobie inny w UK.
Click to expand...
Click to collapse
This.
Apart from it not being a paperweight. Revival is possible but ILLEGAL.

[Q] URGENT..unlocking or hardware problem? Please help !

Hi Everyone !
I need your kind help.I am from India. I bought SONY ERICSSON XPERIA PRO MK16i from a website alredy updates to android 4.0 even used software companion to remove errors from the phone , the phone was unlocked by the website ,
and there is only one network (vodafone) coming in the phone having only one or two bars (one or two network sticks) in the room (home) but when i go on the top floor the
network are full rather other networks are not working , only vodafone works on my phone with low networks and other company network like airtel, idea , bsnl are not working only vodafone is working , i can hardly make any call or use
internet when i am at home, i am very very very upset right now because i have spent my hard earned money on unreliable website which provides unlocked websites but never take the mobile back.
I have tried upgrading the 4.0 again, factory resetting and everything..i personally do not know how to unlock or flash do any technical thing but if someone can really help me and tell me what kind of problem is in my phone then it can be a great help..i have no money to buy any other phone and i am very upset ..should i downgrade my phone to android 2.3? or is there any fault in the network IC ? The cell is new ,please help me.
IF ANYONE CAN HELP THEN PLEASE REPLY ME NOW ..PLEASE !!
Kind Regards

Z3 "no service" and red light blink in flash mode

- Hello guys i have D6603 and im getting no service problem on my phone. I tried everything like using another SIM , opening closing airplane mode but no go. I sent my phone to its service which they said phone is out of warranty because its bended a little bit . So i decide to send it to another place which is good at fixing phones but he told me phones imei number is not showing. But i buyed the phone from Turkcell which is a trusted place. After a day its fixed its imei number shows but theres no service again. So i googled everyting is it about hardware or software ? I hope you guys have an answer. I can provide every info you need if you able to solve this Thanks.

Phone wont register on network!! Need Help!!

Hello guys!
I love this phone, but i am having problems getting it to function properly here in Sweden. It was originally bought on a contract and simlocked to Tre (carrier). I bought the phone second hand from swedish ebay (much cheaper than brand new) with the intention of unlocking it and using with my carrier (Telenor).
Tre would not unlock the phone for me (have to see out 24 month contract) so i unlocked it myself using the services of unlockscope.com. The process was successful, and the phone no longer asks for a network unlock code when using previously locked sim.
The problems start now.. It just refuses to register on the network! If i switch the phone off, insert sim and start, then i get a brief flash of the carrier name in top left corner (2 seconds), and then it goes back to saying emergency calls only.
I cannot register manually, i have tried hundreds of times, even though the carrier appears in the list. The apn settings are also correct for my carrier.
I have also contacted my carrier and they dont understand the problem. I even had them run a check on the imei to see if it was blocked on their network (possible stolen phone) but it came back negative, no blocking whatsoever!
The weirdest thing is that it works when using my brothers Tele2 sim card! The phone registers in seconds and displays a nice 4g symbol next to the signal indicator! A thing to note is that this Tele2 nano sim fits very nicely in the tray and stays in place, whereas my telenor sim is extremely loose and falls out, though i have tried taping my sim in place with no success.
Can anybody relate to this problem or think of a possible cause? I dont know what to try anymore! I'm thinking that there must be something wrong with the phone, but then why does Tele2 work perfectly??!!
Sorry for the long post! I appreciate any help offered!
vinnibinni said:
Hello guys!
I love this phone, but i am having problems getting it to function properly here in Sweden. It was originally bought on a contract and simlocked to Tre (carrier). I bought the phone second hand from swedish ebay (much cheaper than brand new) with the intention of unlocking it and using with my carrier (Telenor).
Tre would not unlock the phone for me (have to see out 24 month contract) so i unlocked it myself using the services of unlockscope.com. The process was successful, and the phone no longer asks for a network unlock code when using previously locked sim.
The problems start now.. It just refuses to register on the network! If i switch the phone off, insert sim and start, then i get a brief flash of the carrier name in top left corner (2 seconds), and then it goes back to saying emergency calls only.
I cannot register manually, i have tried hundreds of times, even though the carrier appears in the list. The apn settings are also correct for my carrier.
I have also contacted my carrier and they dont understand the problem. I even had them run a check on the imei to see if it was blocked on their network (possible stolen phone) but it came back negative, no blocking whatsoever!
The weirdest thing is that it works when using my brothers Tele2 sim card! The phone registers in seconds and displays a nice 4g symbol next to the signal indicator! A thing to note is that this Tele2 nano sim fits very nicely in the tray and stays in place, whereas my telenor sim is extremely loose and falls out, though i have tried taping my sim in place with no success.
Can anybody relate to this problem or think of a possible cause? I dont know what to try anymore! I'm thinking that there must be something wrong with the phone, but then why does Tele2 work perfectly??!!
Sorry for the long post! I appreciate any help offered!
Click to expand...
Click to collapse
Hi mate
Maybe is the sim card......did you try your card in your brothers phone??
MAX 404 said:
Hi mate
Maybe is the sim card......did you try your card in your brothers phone??
Click to expand...
Click to collapse
Hello
Already tried that and it works fine I also recieved a new sim from my carrier and that works fine in other phones but not in my S7
vinnibinni said:
Hello
Already tried that and it works fine I also recieved a new sim from my carrier and that works fine in other phones but not in my S7
Click to expand...
Click to collapse
Hi
This is getting weird , did you try to do a factory reset from recovery also wipe cache and if that do not work you could also try to flash the firmware of the phone again ( odin)
http://forum.xda-developers.com/galaxy-s7/how-to/official-stock-firmware-update-odin-t3369431
Just in case is some odd firmware problem , back up everything important first...just in case
MAX 404 said:
Hi
This is getting weird , did you try to do a factory reset from recovery also wipe cache and if that do not work you could also try to flash the firmware of the phone again ( odin)
http://forum.xda-developers.com/galaxy-s7/how-to/official-stock-firmware-update-odin-t3369431
Just in case is some odd firmware problem , back up everything important first...just in case
Click to expand...
Click to collapse
I have already tried flashing with stock swedish firmware using odin (G930FXXU1APEQ_G930FVDS1APF1_VDS) but same problem persists.. One weird thing to note though is that even though i do a clean flash with unbranded swedish rom, the phone installs some carrier specific apps from the original carrier the phone was simlocked to upon first boot. How can that be??
Maybe its worth trying an international version?
Thanks for the suggestions
vinnibinni said:
I have already tried flashing with stock swedish firmware using odin (G930FXXU1APEQ_G930FVDS1APF1_VDS) but same problem persists.. One weird thing to note though is that even though i do a clean flash with unbranded swedish rom, the phone installs some carrier specific apps from the original carrier the phone was simlocked to upon first boot. How can that be??
Maybe its worth trying an international version?
Thanks for the suggestions
Click to expand...
Click to collapse
That is odd , yes try a totally different rom just to see how it turns out , even from another country it should not make any difference for the phone and connect easily to a network.
check this thread also
http://forum.xda-developers.com/s7-edge/how-to/guide-how-to-fix-check-drk-imei-issues-t3379516
EFS is a very important partition , is where the modem information is.......maybe?
MAX 404 said:
That is odd , yes try a totally different rom just to see how it turns out , even from another country it should not make any difference for the phone and connect easily to a network.
check this thread also
http://forum.xda-developers.com/s7-edge/how-to/guide-how-to-fix-check-drk-imei-issues-t3379516
EFS is a very important partition , is where the modem information is.......maybe?
Click to expand...
Click to collapse
I will try with an international firmware and see if there is any difference.. if not i will follow that guide on efs partition in case that is corrupt.. This is so frustrating!!!
Is it at all possible that a very loose fitting sim could be the problem? As the simcard of the carrier that works fits very snugly in the sim tray.
vinnibinni said:
I will try with an international firmware and see if there is any difference.. if not i will follow that guide on efs partition in case that is corrupt.. This is so frustrating!!!
Is it at all possible that a very loose fitting sim could be the problem? As the simcard of the carrier that works fits very snugly in the sim tray.
Click to expand...
Click to collapse
I get you mate........sim problem, yes very possible !!!!
MAX 404 said:
I get you mate........sim problem, yes very possible !!!!
Click to expand...
Click to collapse
I have now found out that the phone is stolen!!! So that explains everything. I dont know why the carrier couldnt see that the first time they checked, would have saved me days of frustration!!
It has been reported to the police here in sweden, so hopefully they will find who is responsible and i can get my money back!
Thanks for the help guys, very much appreciated even though it was an impossible case to crack!
vinnibinni said:
I have now found out that the phone is stolen!!! So that explains everything. I dont know why the carrier couldnt see that the first time they checked, would have saved me days of frustration!!
It has been reported to the police here in sweden, so hopefully they will find who is responsible and i can get my money back!
Thanks for the help guys, very much appreciated even though it was an impossible case to crack!
Click to expand...
Click to collapse
so sorry mate
you cant trust anyone........very sad
thanks for letting us know
vinnibinni said:
I have now found out that the phone is stolen!!! So that explains everything. I dont know why the carrier couldnt see that the first time they checked, would have saved me days of frustration!!
It has been reported to the police here in sweden, so hopefully they will find who is responsible and i can get my money back!
Thanks for the help guys, very much appreciated even though it was an impossible case to crack!
Click to expand...
Click to collapse
Oh no. Have the police found out the thieves? I think my phone may be stolen too because I have the exact same problem.

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