How to Fix Wifi and bluetooth issues - T-Mobile Samsung Galaxy S 4

Fellow friends and S4 users, Im a loong time lurker and user, Just wanted to help people who found or find themselves in the same situation that i was in. Let me describe the problem, the symptoms and then the solution.
Some people might find themselves in the situation where after upgrading or flashing to a new rom, or new modem, they then get this problem where wifi is flaky if at all it turns on, bluetooth does the same and often get random reboots, Then this is the situation that i believe i have the fix for.
After reading serveral forums and watching several youtube videos on trying to fix this issue, and none of them worked for me, I realized that they were all right.And should have fixed the problem described above.
Im not good at explaining nor writing tutorials so here is why many suggestions did not work even though they where right such as flashing a modem,
For some reason, you need flash the modem multiple times before the phone will accept it. When i say multiple times i mean flash modem usin odin, reboot, flash again, reboot, flash again, and make sure to always factory reset. I dont know why, but for me it took me about 6 times to revert from mk2 modem to mdl modem. And this is after i had flashed the full mdl firmware in the sticky guide. and when i was finally able to revert to mdl modem, i still had to flash the mdl modem again multiple times before wifi and bluetooth got fixed permanently.
Sorry for spelling mistakes, gramtical mistakes and whatever, its 3:33 am, to tired to clean this up right away
I hope this helps.

Related

baseband unknown?

hi all, been following the Epic forums for sometime, finally decided to start getting involved
Im experiencing an issue with EB13. when it first came out I Odined EB13, everything worked great. Since then I have ran into the same issue every time I switch ROMS. I will flash the new rom, about half the time it works great. The other half I get no connectivity at all, and the UI is sluggish. Going into about phone, I see that my baseband is unknown, and my hardware version is unknown.
I can usually get it to connect after re-flashing and re-flashing the rom a few times.
Also, noticed that once I get it to actually connect and I get "bars", I will of course then do a fresh Nandroid, after a full nand backup the issue reappears.
Anyone know what this could be? weird thing is just that its so random. I can get it to work most of the time, just have trouble when switching roms.
Set up:
CWM3.0.0.6/EXT4
Just flashed SyndicateROM today.
EB13 (sometimes)
FIXED
FIXED. all the computers in my home are Macs so odining the modem again is not a quick fix option.
Booted into CWM3 and Fixed Permissions.
Booted up and connected.
Interesting stuff
I've been experiencing the exact same problem as the OP, but for me, running fix permissions in CWM (2.5.1.0) doesn't (always) solve the issue.
It seems to happen anytime I flash a zip from CWM, and goes away randomly (usually after sever flash attempts and modem restores with Odin).
Really hoping someone has an idea what's causing this issue, because it makes flashing things very tedious knowing half the time I'm gonna be stuck with a useless phone until I can get the modem working again.
I'm wondering if it's somehow a hardware issue, since it doesn't seem to affect everybody.
If it helps, I have the stock deodexed EB13 ROM with the Genocide 0.3a kernel.
I'm definately thinking its a cwm issue.. ill even just do a nandroid backup for kicks, reboot and it will do it sometimes.. eventually I might odin back to eb13 and reflash cwm and custom rom and see if I can get it to go away
Sent from my SPH-D700 using XDA App
DrKaotica said:
I'm definately thinking its a cwm issue.. ill even just do a nandroid backup for kicks, reboot and it will do it sometimes.. eventually I might odin back to eb13 and reflash cwm and custom rom and see if I can get it to go away
Sent from my SPH-D700 using XDA App
Click to expand...
Click to collapse
Let me know if that works for you, because it happens to me all the time, and it's really annoying.
There also doesn't seem to be a simple way of fixing it.
Seems to just randomly go away as suddenly as it comes on.
Okay, so I just odined back to stock EB13 and I still have modem issues.
Currently going all the way back to DI18 to see if that fixes things, but is it safe to assume it's a hardware issue if even Odin doesn't fix it?
Okay, so the unknown baseband issue is back for me, and I seem to have made some headway on what causes it.
I had just tried to initiate a ROM backup in ROM Manager, but it hung while rebooting into CWM (on the Samsung Boot Logo).
I think I might have been doing something with ROM Manager last time it happened as well.
Can anyone who knows more about this stuff than I do think of a reason it'd happen when using ROM Manager?
I'd very much like to nip this issue for good, because it's making it hard to justify using CWM/root if I'm gonna keep losing the phone part of my phone.
Can I bump this? My battery died, and when I turned it back on, I have the unknown baseband, unknown hardware problem. I've been googling all night, and haven't found a solution.
I have been running ERA Legendary v3 on the EI22 Modem for a few weeks with ACS Recovery that I've had installed since it came out.
Any help would be awesome.
---------- Post added at 07:28 AM ---------- Previous post was at 07:17 AM ----------
And I've tried flashing modems/roms and odining modems/roms. Even Heimdalling modems/roms. No luck. I've mainly tried ec05 and up. I will try older ones right now, if I can find them.

[Q] Weird GPS problem. What happened?

Yesterday my gps wasnt working at all. It would not lock on no matter what I did. I was on a custom rom and I tried wiping my data/cache, reinstalling maps (just for giggles), and a multitude apps from the market that help deal with gps problems (gps fix, gps status, toolbox, etc).
When all this didn't work I decided to odin back to the last official JB update and still no gps. On a whim I decided to odin back to an ICS firmware and that made my gps work. I have no idea but it did. I then odin to UVDLJC, installed TWRP's most recent and restored my backup of the custom rom I was using in the first place and gps now worked.
While I'm happy as heck that my gps is now working and that it was not a hardware issue I'm extremely curious what happened.
I have flashed many roms lately and I cannot think what a custom rom can do to gps to hose it or if it was just one of those things. I would of thought that when I originally did an odin to UVDLJC that would fix the issue but that didn't. Whatever the flash to ICS did fixed it but what in the heck could that of been?
I figure if I can find out or get an idea what happened then I can steer away from flashing certain roms, or just be prepared that flashing any roms at all can make this happen again.
Same here.
Hello, ddcoh.
I am currently having the same issue you had with GPS not working. I've tried everything from trying tedious Play store apps to trying many different roms and kernels (clean installing every time) to completely reverting back to stock including using TriangleAway in case that did any help. Nothing worked. I have been thinking about going back to ICS to see if that worked but the last time I tried to downgrade from 4.1.1 to 4.0.4 I ended up soft bricking my phone even though I followed the steps word for word.
Can you tell how you went about downgrading to ICS and then back to JB, please? I use my GPS a lot and I would hate to find out it's a hardware issue.
Typically, it's been when people are going from 4.2 to 4.1.
Zza1989 said:
Hello, ddcoh.
I am currently having the same issue you had with GPS not working. I've tried everything from trying tedious Play store apps to trying many different roms and kernels (clean installing every time) to completely reverting back to stock including using TriangleAway in case that did any help. Nothing worked. I have been thinking about going back to ICS to see if that worked but the last time I tried to downgrade from 4.1.1 to 4.0.4 I ended up soft bricking my phone even though I followed the steps word for word.
Can you tell how you went about downgrading to ICS and then back to JB, please? I use my GPS a lot and I would hate to find out it's a hardware issue.
Click to expand...
Click to collapse
Well I used odin to flash an T999_UVALEM which was a prerooted ICS rom. After booting it up I checked to see if GPS was working and it was.
I then used odin again to flash T999_UVDLJA which is a JB rom and booted it up also and saw that gps was working. Then I just restored a backup of a room I had been using and GPS still worked.
I've been out of town and noticed that after flashing a few roms that gps wasn't working so instead of doing all the above stuff I just flashed a cm10 rom. I believe I either used a cm10 nightly (or maybe 10.1, memory is hazy) or LiquidRom and that got the GPS working by just doing that. Not sure if that will work for you but you could always backup your setup using TWRP's latest and then flashing a cm10 rom and seeing if gps is working and if that fixes it then you could then just reboot and restore the rom you are currently on and that might fix your gps for you.
http://forum.xda-developers.com/showthread.php?t=1949687

[Q] Broken WiFi and Bluetooth - Searched Everywhere!

Hi folks,
I didn't want to be one of those who asks for help without researching, but after two weeks of trying everything I can find ... here I am! Hoping somebody can help. Here's the deal. I have an AT&T GS3 with 4.3 OTA, then CF Autoroot and no Knox. Everything worked great for a while. Then I got more ambitious (okay, greedy), and tried some custom ROMs. Somewhere along the line my WiFi and Bluetooth have ceased to work. Slide the switches, they stay grey for a bit, then slide back. I know other people have described this problem and also offered solutions like flashing different kernels and modems, which I have done ... lots.
I also have a rooted Galaxy Gear. I was trying to get Gear Manager to run on a custom ROM and downloaded it's individual app apks, which I thought were universal. I later realized they were being used on an HTC One. And for about one glorious hour, everything was working! Don't know if that contributed to the problem, but that's right about the time my Bluetooth and WiFi both died. Hmmmm.
Here's what I have tried, and what I have now:
1. Currently on OTA MJB bootloader and modem, and loserskater's Premium Suite ROM (http://forum.xda-developers.com/showthread.php?t=2252932). I also tried his bootloader and modem, but they made no difference.
2. SE is Permissive, but can be changed to Enforcing.
3. IP and WiFi MAC addresses show up under Status, but Bluetooth address says Unavailable. I can see it, however, in SQLite Editor under Settings Storage and Secure. The WiFi display value was already at 0, so that didn't work
I have tried flashing various combinations of loserskater's and updwn4par's modems, ROMs, and kernels, as well as CWM and Slimbean custom ROMs. I have factory reset, wiped cache and dalvik, and data formatted so many times I've lost count. And nothing has worked.
I'm really a noob at all of this. The watch was the first thing I ever rooted because it thought it would be safer to practice on. Then my tablet, and finally the GS3. Somewhere, I did something wrong and have done everything I can to fix it myself, but I'm officially stuck. If anyone has a solution, I would be extremely grateful.
Sorry this is so long ... thanks for taking the time to read!

[Q] 4.3 Soft Brick Fix

Hey guys, i just made an account just to see if there's any solutions or fixes to this problem i have. I flashed MJC 4.3 on my phone and i noticed that the Wifi wouldn't turn on, at first too i didn't have any signal so i flashed the modems that the thread has provided. I searched everywhere for a solution but i can't find one that works, i tried flashing another rom while fully factory restoring everything but no luck at all. Can anyone help me?
In the same thread there is a ATT unlocked kernel. Flash it along with that Rom.

Camera frozen on black screen no matter what I do

I've done a lot of digging through the forum and can't find an answer, so forgive me if this is an already-answered question.
I have a T-mobile S4 with a camera stuck on the classic "updating camera firmware" error message with black screen. If I open Snapchat the front facing camera will work, but with a slight delay in projection.
Here's the thing...this has happened on two separate phones now and on both of them it happened about 48 hours after I signed into the phone with my google account. Is it possible there is some kind of malware attached to my google account?
In the newest phone I have done a clean full wipe using TWRP, then Odin-flashed a full firmware package I found here on xda (recovery, OS, modem, kernel). Cache wipe and factory reset immediately after rebooting from Odin mode. Still have problem.
Have switched out known good cameras from other phones, and the phone I'm working on was functioning perfectly until I signed into it with my account. Totally stumped here, and really need some assistance.
Phone is:
M919 logic board in I337 body
Kitkat 4.4.4
Baseband: M919UVUFNH7
Kernel: 3.4.9-6281449, [email protected] #1
Build: KTU84P.M919UVUFOK3
Security software version: MDF v1.0 release 3, VPN v1.4 release 2
If anybody's got some ideas, please let me know!
Ok, no answers yet but plenty of views, so either this is an extremely rare issue that no one knows a solution for, or it's a ridiculously stupid question that everyone knows the answer to. I'm going to try and keep a log of what I'm doing with this phone in case any other rookies need assistance in the future.
So far I've flashed three different versions of stock Kitkat onto the phone....OH3, OK3 and NH7. When I flash OK3 my build number doesn't match my baseband (baseband reads NH7)...not sure what's going on there. Also, if I flash OK3 I lose my wifi....do not have this problem with other versions of firmware. Each flash is done after a full clean wipe with TWRP.
I found a thread that mentions an almost identical camera issue being caused on an M919 that was flashed with Nottache Xposed framework for AT&T phones. The OP said they could fix the issue by wiping the framework off the phone. Since my M919 motherboard is installed in an I337 body, I'm wondering if this is something related to a compatibility issue between T-Mobile and AT&T components. Best lead I've got so far.
Two posts have mentioned a fix. One says he opened Google Edition Camera Photosphere and his problem went away. He was running a different machine than mine so I haven't tried this yet, but I'm doubtful. The other user said they have only been able to solve the cam issue by installing a stock modded kernel by @jovy23. All the links I've found to this kernel are dead now, so no dice there.
I'm gonna put my M919 motherboard into an M919 body, wipe and flash stock rom again and see if somehow that does anything.
As a side note, I started getting "SIM not inserted" errors just before I began flashing different roms, and since the initial flash I've lost my SIM completely. So now I've got no camera, no SIM card being read, and sometimes losing wifi. I need this phone for work, so this is kind of sh*tty.
You cant downgrade once youve updated to OK3. The order would have to have been NH7, OH3 then OK3. It seems like mabey its not flashing correctly. Try a different odin program 3.04 3.07 3.09 are good ones. Flash it twice, untick auto reboot and manually power off and back into download mode and flash again. Dont use adv reboot menu to boot into download or it may not flash correctly. If that doesnt work I'm not sure what else to try. Good Luck
Ok, latest update for future readers...
It seems that lordodin912 is right when he says that flashing to OK3 means you can't flash backwards to a previous baseband/build. I hadn't seen that info anywhere so I didn't know about it. I'm not sure how to go about finding this kind of info on the forum but it would have been nice to know ahead of time. Anyhow...thank you for that information lordodin.
Here's where I'm at now:
-I was originally on NH7 with the camera error and sim card error. Flashed NH7 full stock after doing a full wipe and still had problems.
-Flashed OK3 full stock after full wipe and still had the problems, and also lost wifi capabilites (as in the phone wouldn't turn on wifi at all). At this point the baseband read as NH7 but the build read as OK3. I don't know why.
-Tried flashing OH3 after that (didn't know any better) and it wouldn't take. At this point wifi capabilites returned but still no cam and not reading sim card.
-Flashed OK3 again and wifi returned but still no cam and no sim. A couple hours later I powered the phone off and then back on, and Samsung then notified me of OTA updates. This update notification hadn't appeared before I manually rebooted the phone. I took the updates and now have wifi, sim card is being read, and my camera appears to be functioning properly as well. About 20 minutes or so after the updates are applied, the sim card error returned and told me to restart the phone. I did so and now the phone is reading the sim card again.
Right now my best guess is that when I was on NH7 I had accidentally made some app and update settings changes that prevented me from receiving some of the important OTA updates connected to camera and sim functioning, and this caused incompatibility between certain parts of the firmware that had been updated and others that had not. Trying to flash OH3 failed to solve the issue because I had already flashed OK3 before that and you can't go backwards from OK3. I don't know why the initial OK3 flash failed to fix anything, but I'm guessing the flash just didn't take as well as I thought it did. Flashing OK3 twice in a row seems to have done the trick, I presume because it reset and updated everything so that all firmware was compatible with itself.
I don't know how this could have happened (I try to be very careful about what I freeze and uninstall), but it's the most likely culprit because after flashing the latest firmware manually (twice) and allowing OTA updates my phone returns to proper function. Why OK3 didn't work correctly at first is beyond me....I don't see why it should have taken a few hours or a second reboot for OK3 to begin offering updates but whatever.
I'm doubtful that the camera will continue to work after the next 48 hours, but we'll see. I'll report back in with what happens after a few days go by.
Leaving an update here as I said I would.
For two months the phone has been functioning properly. Camera, sim and wifi have all been good. About one week ago my camera started acting glitchy again and then stopped working. The problem is the same as before- upon opening camera app the screen is black with a message saying "updating camera firmware", then nothing happens. This occurred around the same time I started using google hangouts frequently...don't know if that is related to the issue or not.
Yesterday the phone began showing the error message about sim card not being read, and then today it stopped reading the card altogether.
I repeated the same procedure that seemed to fix these problems two months ago and it hasn't done the trick. Full clean wipe of phone using TWRP, then installation of Chainfire's Autoroot, then flashed OK3 stock firmware twice with battery pulls between installations. Factory reset immediately after install of stock ROM. When connecting to wifi, no OTA updates appear. Camera not functioning, sim card not being read.
Phone shows baseband and build number are matching. I have no ****ing idea what the problem is with this phone. Beyond frustrated.
Anyhow, I'll keep updates going as long as I am working with this thing, maybe it'll help someone later. Anyone knows anything that could help, feel free to chime in.

Categories

Resources