[Q] only picking up certain wifi networks after upgrade to 3.1 - Xoom Q&A, Help & Troubleshooting

Hi everyone.
I just upgraded my xoom to rooted 3.1 using the guide in this forum.
After the upgrade my home network does not get picked up. I cant even see it in wifiscanner.
My phone connects to it just fine, and the network at work is detected by the xoom no problem..
Any ideas?
I already tried to flash the overclock kernel to see if it was a kernel issue... still the same problem. :/

nevermind
Turns out that 3.1 does NOT support wifi on channel 13.
Moved my home network to channel 11 and everything works again
Note:
Windows 7, Android 2.1, Android 2.2
They all mysteriously support ch13 networks.
Can anyone confirm this?
If so; maybe someone should inform the kernel guys

Related

problem with wifi hotspot

Hi I'm running thiaiz's rom v 2.7.1, not overclocked. Got an issue with connecting to a wifi hotspot that i create on the phone.
I can set up the hotspot and it confirms that it's running then when i try connecting another device to it, with or without password encryption, its says 'unable to connect'.
Is this likely to be a root/rom issue, LG hardware problem or an issue with vodafone?
thanks
rod
Most probably is a ROM issue. It is certainly not a hardware problem or a stock rom problem. I'm using the WiFi Hotspot without a problem with any stock rom.
Thiaiz's original v2.7.1 rom had a problem with the WiFi Hotspot and he released a patch to fix it. Look at the v2.7.1 original thread to download the patch.
Might be entitlement enabled.
At that was what happened to mine with Rogers.
Check this out:
http://forum.xda-developers.com/showthread.php?t=1252149

[Q] TF101G no 3G and Baseband Unknown

Hoping someone can help here.
I have a TF101G (the 3G version of TF101). ASUS stock ROM works fine apart from the usual annoying problems with reboots and hangs. So I've tried a few custom 3G ROMs and Kernels.
Revolver (latest 3G) installs OK, but 3G doesn't connect - no APNs and can't add any, Search Network Operators fails with an error and Settings / About Tablet shows Baseband as Unknown. RaymanFX's new [DEV][WiP][3G/GSM] JellyBean for the TF101G - same deal. Everything seems to work except 3G.
Android Revolution HD 3.4.3 3G works fine which is great, but I'd like to try some others.
When I flash Stock or ARHD, on first boot it goes into setup with my location correctly preset to New Zealand. Neither Revolver nor JB seem to know where I am, and I'm wondering whether this has anything to do with the 3G not working.
I'm new to this, and to this forum so don't yet really know what I'm doing or have enough posts to be allowed to post in the Developer's area, so I'm hoping someone here might be able to point me in the right direction to get 3G working on either of these ROMs.
Thanks.
Having the same exact issue here

WiFi problem. Need help badly!

Hi so I recently flashed my buddies one s with cyanogen mod and pacman ROM and the ROMs both work flawlessly other then the problem with wifi. The wifi doesn't seem to want to hold a connection. Is there a radio I can flash to get this working? He keeps complaining about the wifi dropping right after connecting. The problem only happened after I rooted and flashed his phone. Any help would be appreciated.
Samsung galaxy s4 Canadian i337m
pjcordi said:
Hi so I recently flashed my buddies one s with cyanogen mod and pacman ROM and the ROMs both work flawlessly other then the problem with wifi. The wifi doesn't seem to want to hold a connection. Is there a radio I can flash to get this working? He keeps complaining about the wifi dropping right after connecting. The problem only happened after I rooted and flashed his phone. Any help would be appreciated.
Samsung galaxy s4 Canadian i337m
Click to expand...
Click to collapse
I have also this problem with my One S. It seems that it doesn't want to connect to all WiFi networks since WiFi doesn't work in my home but it works in my school. Someone suggested to me that the problem is bad version of wpa-supplicant binary. I didn't have this problem until I flashed CM10.2 Stable. Sometimes WiFi won't connect before I switch WiFi off and back on. Currently the only solution seems to be changing the settings of the WiFi router if possible. Make sure that WiFi channel is 11 or smaller and try changing the encryption settings.

[Q] android 4.3 and 4.4.2 wifi issues

Hi,
Since I upgraded the ROM to 4.4.2, I'm unable to find my network/WIFI router.
I have currently KatKiss-4.4.2_022 installed. Before I used 4.3 and sometimes I lost connection, but since I installed 4.4.2 I'm not able to connect on 4.3 neither (saved backup), but if I roll back to the stock ROM, I have no issues at all. Also I have no issues to find and connect to the network with laptop or with my phone (GT-I9100 with CM 10.1.3-i9100).
I did try to reinstall the ROM, tried all the regulatory domains, but none of them works. I also made changes to the router settings (channels, etc.), but no success.
Does anybody else have seen this issue? Any help appreciated.
Thanks
szkuzi said:
Hi,
Since I upgraded the ROM to 4.4.2, I'm unable to find my network/WIFI router.
I have currently KatKiss-4.4.2_022 installed. Before I used 4.3 and sometimes I lost connection, but since I installed 4.4.2 I'm not able to connect on 4.3 neither (saved backup), but if I roll back to the stock ROM, I have no issues at all. Also I have no issues to find and connect to the network with laptop or with my phone (GT-I9100 with CM 10.1.3-i9100).
I did try to reinstall the ROM, tried all the regulatory domains, but none of them works. I also made changes to the router settings (channels, etc.), but no success.
Does anybody else have seen this issue? Any help appreciated.
Thanks
Click to expand...
Click to collapse
See if your router has mac address filtering set, or if it has a button to allow discovering or such.
MAC address won't be the same between stock and 4.4, it was already the case on katkiss 4.3 though if it was katkiss that you were using as your 4.3 rom that was working before ?
Try also to reboot your router, I've seen a few with wifi that stopped working saying that rebooting their router fixed it.
Beside that I don't really see much else, just the usual, make sure you do a full wipe, format /system and cache before flashing 4.4
in case it's something left over from other systems.
Also make sure you don't restore settings or system apps from the previous rom.
szkuzi said:
Hi,
Since I upgraded the ROM to 4.4.2, I'm unable to find my network/WIFI router.
I have currently KatKiss-4.4.2_022 installed. Before I used 4.3 and sometimes I lost connection, but since I installed 4.4.2 I'm not able to connect on 4.3 neither (saved backup), but if I roll back to the stock ROM, I have no issues at all. Also I have no issues to find and connect to the network with laptop or with my phone (GT-I9100 with CM 10.1.3-i9100).
I did try to reinstall the ROM, tried all the regulatory domains, but none of them works. I also made changes to the router settings (channels, etc.), but no success.
Does anybody else have seen this issue? Any help appreciated.
Thanks
Click to expand...
Click to collapse
I am also having issues with wifi, but in my case it is more the distance from the router.
in the bedroom, which is just 4 meters from the router (behind 1 wall) I used to get nearly full signal wifi, after updating to 4.4.2 i get no signal at all, to be able to use the tablet I have to be 1 meter from the router. I reverted back to stock ROM but it doesn't solve the issue !!
is it some kind of internal firmware corruption, or hardware issues?
Try switching WiFi optimization off.
Basically if you go to settings then wifi and the click on menu and select advanced, then you can switch wifi optimization on and off.
On most android devices like tf101 ot lenovo k900 it helps to get a good wifi connection.

[Q] Katkiss 4.4.2 on TF101G - Hotspot not working

First of all - great work, I love Katkiss
I run 4.4.2 023 on my old TF101G (took a while) with the 101G kernel and so far it works great.
I was able to make a 3G connection via PPPWidget and can now download / update everything, even through PlayStore.
One problem remains though. The 101G also served as a hotspot for my laptop at work and easily connected it via its own WIFI Hotspot.
The Hotspot can still be setup and activated in KatKiss, however no other phone or PC in range actually detects it....
What am I missing?
Thx in advance for all the help
gmalex said:
First of all - great work, I love Katkiss
I run 4.4.2 023 on my old TF101G (took a while) with the 101G kernel and so far it works great.
I was able to make a 3G connection via PPPWidget and can now download / update everything, even through PlayStore.
One problem remains though. The 101G also served as a hotspot for my laptop at work and easily connected it via its own WIFI Hotspot.
The Hotspot can still be setup and activated in KatKiss, however no other phone or PC in range actually detects it....
What am I missing?
Thx in advance for all the help
Click to expand...
Click to collapse
I'm running 4.4.3_29 and seem to be having the same issue. Will try reflashing with the new 4.4.4_30 and try again.

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