Bluetooth won't stay turned on - Galaxy S 4 Q&A, Help & Troubleshooting

Just upgraded to the latest snapshot of Cyanogen and noticed that the Bluetooth will work fine when first booting, but something causes it to turn off by itself and when this happens, it can't be turned back on until reboot. Anyone else having this problem? Is there a solution to it? I tried clearing the cache and it didn't help.
Edit: I'm running an i9505

Every ROM has some Bluetooth problems. I don't know if there is any solution for this particular problem, but you could try the Optimized CM13 ROM.
It had pretty stable Bluetooth.

Related

[Q] U8800-official 2.3.5-rooted-random reboots

Updated to official 2.3.5 rooted, added back the pink screen, not done much else except installed a few apps.
Getting random reboots while phone is sleeping. Never happens while actively using phone. My phone will be on my desk and next thing I know it restarts.
Anybody else have this problem or found a solution?
I need to find out if it is the rom or something else causing the problem so I can start to troubleshoot it.
typci said:
Updated to official 2.3.5 rooted, added back the pink screen, not done much else except installed a few apps.
Getting random reboots while phone is sleeping. Never happens while actively using phone. My phone will be on my desk and next thing I know it restarts.
Anybody else have this problem or found a solution?
I need to find out if it is the rom or something else causing the problem so I can start to troubleshoot it.
Click to expand...
Click to collapse
Turn OFF wifi when you're not using the phone. problem solved
If not work try this :
Goto CPU menu -> smartass v2 and make low and high cpu speed settings to 1 ghz.
This will also increase Battery life and must fix random rebooting.
Other way is clear caches and install rom again.
Loureiro:
I'll try turning off the wifi. It sounds like a highly likely solution since: 1) I've only seen my phone at home 2) I always turn wifi on at home.
Is there a specific reason why wifi is causing reboots? Maybe something I can find a fix for?
technogod:
Don't have custom kernal installed, so I can't alter the CPU parameters. Wanted to make sure the phone was stable at stock before changing the kernal.
Speaking of which, what's the most stable kernal for overclocking the 2.3 stock rom?
I'll try clearing the caches as well.
Thanks.
The wifi bug is known fault with the .35 kernel found in the official upgrade. hopefully it will be fixed next week fingers and toes crossed. I am not sure if any of the kernel dev's have found a fix yet.
Without cpu parameters, only way i am found that : clear three caches with clockwork and reinstall your rom. It's working on stock roms or custom roms. I think, this is not rom problem. There is different something. Cache clearing solves problem. Resetting problem started on my phone when i start to try other roms.
I am using miui 2.2.3 now and i will setup 2.2.10 version today. While using stock rom, i have some resetting problem. But now, my phone working without self-reset.

[Q] Wifi Problem

Hi
I have some strange problems with wifi - I can see the networks, but when I connect it just appears as "Remembered" and nothing happens.
I thought that was an rom issue (MIUI GB 2.3.7 V48), but after changing rom to NexusHD2-ICS-4.0.4-CM9-HWA_V2.7 it still doesn't connect.
Tried WiFix and it didn't work. Main issue why i changed from MIUI was randomly muted mic in calls, but that's offtopic.
Any suggestions?
EDIT: Before trying another MIUI to solve mic issue wifi worked like charm, before flashing zip did full wipe, cache wipe and dalvik wipe.
Cheers,
Flaffie.
i dont know ,……
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[Q] Wifi won´t activate on stock 4.2.2/cm 10.1

Hi Guys,
I have a problem with my nexus 4. I wanted to use cyanogenmod instead of the stock rom, so i rooted my device yesterday and flashed the latest stable build of cm (10.1.2).
Everything worked fine, except for the wifi; it won´t turn on. It get´s stuck on the "turning on wifi"-page, wtih the button in off-position and saying "turning on wifi".
I´ve read some threads were people had the same problem, but nothing seems to fix it. I made a factory reset, wiped cache and dalvik, fixed permissions, but in didn´t work on cm 10.1.2.
So i tried a different build, cm 10.1.1 stable, but the problem persisted. I tried the same things I did on the 10.1.2, but it did not help. So I tried using the latest nightly, but that didn´t help either.
I thought i go back to the stock build to fix it, because it still worked after I rooted the device and still had the stock on it, but unfortunately that did not fix it. I made a factory reset, and wiped cache and dalvik again, but it just won´t work.
Long story short, i don´t know what to do now I rooted and flashed several devices before and never had a problem that did persist even nafter i tried multiple buidls of cm and wiping everything everytime; so if anybody has any idea where this problem comes from and how i could fix it that would be really great
Joharnis said:
Hi Guys,
I have a problem with my nexus 4. I wanted to use cyanogenmod instead of the stock rom, so i rooted my device yesterday and flashed the latest stable build of cm (10.1.2).
Everything worked fine, except for the wifi; it won´t turn on. It get´s stuck on the "turning on wifi"-page, wtih the button in off-position and saying "turning on wifi".
I´ve read some threads were people had the same problem, but nothing seems to fix it. I made a factory reset, wiped cache and dalvik, fixed permissions, but in didn´t work on cm 10.1.2.
So i tried a different build, cm 10.1.1 stable, but the problem persisted. I tried the same things I did on the 10.1.2, but it did not help. So I tried using the latest nightly, but that didn´t help either.
I thought i go back to the stock build to fix it, because it still worked after I rooted the device and still had the stock on it, but unfortunately that did not fix it. I made a factory reset, and wiped cache and dalvik again, but it just won´t work.
Long story short, i don´t know what to do now I rooted and flashed several devices before and never had a problem that did persist even nafter i tried multiple buidls of cm and wiping everything everytime; so if anybody has any idea where this problem comes from and how i could fix it that would be really great
Click to expand...
Click to collapse
Im having a similar problem, i think we have to flash a different radio ?
Still nothing
Flash a different radio? What excactly does that mean? I must admit I have not heard of that :laugh:
By the way, I just unrooted my device and relocked the bootloader, but that didn´t fix the problem either.
Stock CM Kernel? If so, try flashing kernels with prima drivers. If the problem persists, I guess it may be hardware. On another note, do you have bluetooth or GPS on? Try turning those off and try connecting.
sigma392 said:
Stock CM Kernel? If so, try flashing kernels with prima drivers. If the problem persists, I guess it may be hardware. On another note, do you have bluetooth or GPS on? Try turning those off and try connecting.
Click to expand...
Click to collapse
I just tried the franco R163 with prima drivers, that did not fix it. But, speaking of the bluetooth, i´ve just noticed that the same problems occurrs with that. I trie to turn it on an it stays at "turning on bluetooth" without actually turning on. Maybe that helps to know what the problem is.
What other kernel with prima drivers would you recommend?
Edit:
I´ve read through a few threads on that bluetooth-issue, which apparently is more common than my wifi issue. I was wondering if my wifi-issue could have something to do with the bluetooth, because other users who have said bluetooth issue found their bluetooth temporarily on after reboot; then after a while the bluethooth issue appeared again.
In my case the bluetooth doesn´t appear to be on, but i was thinking that maybe it is, but the software fails to display that and that that is interfering with my wifi.
Could that be a possibility?
Out of the box my nexus 4 refused to connect to my TPLINK wr941ND router, wifi was set months ago, nexus 7 works as charm same with evo 3d and others. I thought wtf and turned on wifi on broadband modem, it showed up on nexus 4.... And suddenly network from router poped up as well. I switched off wifi on modem and nexus lost wifi from router. At this moment I went for a walk... When I come back done factory reset, reboot the router, no effect. Changed settings from WPA2/QSS to WPA without QSS - no change, then I changed channel from #13 (best in my location, all my neighbours using #1 and #6) to #1 and instantly nexus found network.... So it seems that sumthing is apparently with wifi, when I changed channel back to #13 it drops the connection and says that networtk is out of range. So finally I checked all the channels from 1st to 13th and it works from #1 to #10, 11 till 13 dunt work. Maybe this info will help sumone with simillar problems.

[Q] Why does my Wifi & Bluetooth not working even with stock rom?

Hey guys,
I have a Galaxy S4 (i9500). I installed Omega ROM v22 on it and everything went smoothly, Wifi & BT working perfectly.
After a few hours of using the device (nothing special at all, texts and stuff like that) - I noticed my wifi isn't working and by not working I mean that I click the wi-fi button and it changes from gray to the mid-state between gray to green for around 20 seconds before it goes back to green ago.
If I open the menu to see my networks it just says "Enabling" without any networks there.
I had to drive somewhere so I went to my car and tried to enable Bluetooth, and same thing happens there - Bluetooth will not turn on and will stay stuck on mid-state between gray and green for a while and go back to green.
I flashed omega rom v22 again and the problem was gone, or so I thought. I went back to the car for another drive and realized the bluetooth issue is back - and when I got home I realized the wifi issue is back as well.
I figured I need to reset everything so I tried the following:
Full wipe (including dalvik and even including "internal SD card") and then flashing stock rom (from the official website, stock rom of my country).
The issue was back after a few hours. I do not have BT or Wifi access. Yesterday Wifi suddenly started working for a few hours but then it stopped working again.
I really need help! I have no idea what to do with this issue!
Well rule number one when you have problems after flashing without wipe.
1. perform a full wipe and see if the problem persists.
Lennyz1988 said:
Well rule number one when you have problems after flashing without wipe.
1. perform a full wipe and see if the problem persists.
Click to expand...
Click to collapse
Tried that, no luck.
What else would you try?
In some places when people had problems with Wi-Fi they said to flash a different kernel but I don't see why I would have this specific issue with Omega Rom and why the default kernel with it wont work well?
Maybe this could be a root issue? My root works fine but I have this weird gut feeling like this is some permissions thing that's going on.
I'm trying to think why it would work right after the wipe but then stop working shortly after.
Another symptom: It randomly started working for a few minutes and then stopped again (around three hours ago).
Any idea what's going on?
Well, if you fully wiped and didn't restore any apps and settings then it can be two other things.
Or it's a bug in the rom or a hardware failure in your phone.
I would suggest trying a different rom first. Do not restore anything, not even your google account.
wi-fi fix?
Do you actually have an i9505? or is it a canadian or att version? if its the latter sometimes the devs offer some wifi-fixes, also try a different kernel. otherwise it could be that your radio/modem are not compatible with the version of the ROM you are flashing.
Tried arrow ROM and this issue doesn't seem to happen in this rom. Hope it stays like that...
morhsn said:
Tried arrow ROM and this issue doesn't seem to happen in this rom. Hope it stays like that...
Click to expand...
Click to collapse
Sadly, it did happen with this rom, after just a few hours.
I'm now using stock rom and still suffering from the issue.
Does anyone have ANY idea what I can do to fix this?
Thanks in advance!

[Q] Latest Mahdi Bluetooth Crashing

Greetings,
I'm not salty enough to post in the Dev threads, so here I am.
I'm usinging the vs980 on the latest Mahdi release in combination with the dorimanx kernel, and ART. So far everything seems stable except for Bluetooth. Streaming media works just fine, but when I pair it with my vehicle, which has phone and media, it goes into a pairing crash loop.
I've searched the forums and haven't found anything related to my problem. Someone mentioned disabling the hardware buttons, but that's not an option I have under settings->buttons.
Any other suggestions? I thought about making a backup and then do a clean install on the stock kernel using dalvik but I don't know why that effect BT.
-Phillip

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