G900F wifi won't turn on - Galaxy S 5 Q&A, Help & Troubleshooting

Hi guys
Im having a problem with my S5 g900f wif and bluetooth, ican not turn them on.
first time this happened was +/- 1 year ago, i just had to restart my phone and put sim card out and the problem was solved.
I have faced this problem maybe 5 times from the first time but every time the solution worked.
Yesterday the same happened but the solution didnt work anymore.
I have tried with/ without simcard and memory stick.
I decided to change the unrooted stock rom to LineageOS with root. No luck
flashed the original firmware G900FXXU1CQB1 again no luck.
I can not turn wifi and bluetooth on.
Can anyone help to find a solution for this?
is this a hardware problem?
Thanks

I have had this issue, I found custom kernels can cause this and some mods
Make sure your bootloader and modem are upto date if your using other roms.
Other than that it does sound more like a hardware issue.

Hi,
tried stock firmwares , downgraded and tried custom rom/kernels the problem still there....

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[Q] need help pls

so i had my s4 i9505 rooted recently by a friend all went well was working fine. week later was trying to get it sim free with a few methods including changing baseband, none of them helped the only thing that did happen was my network coverage gone missing so i switch to diff baseband which solved the network coverage issue, but then i got prob with wifi, i cant enable it, everytime i try i get the shield pop up saying that my phone security blocked this action and no further action is needed. tried the installing the wifi fix thingy via odin, tried factory reset via twpr and a diff rom (MIUI), none of these methods helped. any1 got any ideas whats going on and how to solve this?
solved. flashed diff MIUI rom with 4.4.2 android (4.2.2 previous one), and wifi issue is solved. can lock or delete this thread pls

[Q] build and kernel instability

Hi,
I am dealing with the following issue explained below.
I started off with a stock G900W8. I then flashed this rom, everything ended up working fine:
http://forum.xda-developers.com/showthread.php?t=2797336
I then flashed this rom,:
http://forum.xda-developers.com/galaxy-s5/unified-development/rom-wip-27-9-14-t2889474
but my mobile internet no longer worked, even after I tried manually setting the APN'S. On threads they say if your internet isn't working you should just flash a working kernel but that is so extremely confusing. I do not know what kernel will work with my device.
I do not know if, after flashing my device twice, if it is still a g900w8 or g900f or whatever. I am hoping someone can lead me to a kernel(s) that will solve my internet problem on the current rom i am using.
Or maybe something else is causing my mobile data problems?. BTW calling and wifi work fine.
Thanks.

Strange WIFI issue,please help.

Hello guys,im expiriencing strange issue with wifi in last couple of weeks.Im sorry if someone already posted thread with this issue,i couldnt find it anywhere on XDA.
Here is the problem:
i have sm n9005 and i was using stock 5.0 first,and then decided to try some custom roms.It was all good,and i changed couple of those.
At one point,i did firmware/bootloader update for some of the roms,i cant remember which one exactly,and phone started to act strange.
It could only see and connect known wifi networks (my home and work ones) and as much scanning i used,it simply can not see/scan other
networks in the area.Its really annoying.When i do factory reset/data on any rom,its all good for some time,sometimes like few hours,sometimes
few days,but it all gets f_____ up again,and i can only use networks i already used in the beggining.I tried few times to flash stock rom via Odin,
it was all good,but after some time (as i said,sometimes less sometimes more time) its acting strange again.Maybe im flashing wrong stock rom
in Odin,i cant really tell whats going on.Current baseband version is n9005xxugpof3,if anyone knows how to solve this,please help,i will provide
any data needed in order to solve this annoying problem.Thank you in advance and God bless you!
p.s.
here is the version of stock rom i flashed,its N9005XXUGBOA5_N9005XEOGBOA4_N9005XXUGBOA1_HOME.tar and i think its Poland version
or something like that.
update:
tried to flash original italian ITV stock rom,all worked fine for a day or so,and it all went back wrong again :/
Phone is not showing any WIFI network,but when i add it manualy,which i tried with my home network,
it works well.Also,its sending me notification when available networks are on,but when i enter wifi
section,list is empty again : / Mac adress in my wifi options is ok,and IP adress is unknown.
Any ideas,guys,i would really appreciate any sort of help?Thanks!

G900F wifi problem 6.0.1

Hello,
I upgraded to 6.0.1 stock and I have problems with wifi .
When the phone goes sleep lose connection to the network and when switch on do not always recover it.
I tried various settings but have not solved the problem , for now I installed wifi keep alive as a workaround , but I'd like to know if there is a better solution
thank you

No network access (Moto G5 Plus)

Hi everyone,
I've been having a problem since yesterday morning. Everything seemed to be fine with my phone before I flashed a custom rom. I was using at the moment MSM Xtended and I flashed the latest version of CrDroid. After flashing that other custom rom and booting, my phone had no network signal. All it reads on the status bar after that is just "No service". Of course, I removed the SIM card and reinserted it many times but that did nothing.
I've already tried flashing another rom (the latest AICP rom) and even going back to the one I was using at the beginning, but still nothing. I even tried reflashing the NON-HLOS.bin file and erasing modemst1 and modemst2, but it didn't do anything either. I also tried flashing this deodexed stock rom and booting. Interestingly, that kind of fixed the problem, since it recovered its network functionality. However, after reflashing an Oreo custom rom, it loses it again (actually, I've done that a few times today, but the last time I tried flashing the stock rom, for some reason it didn't fix it anymore). I don't know if in this case it's worth mentioning it, but I've tried checking my IMEI on both, custom roms and stock rom, and it's never been 0 at any moment.
TL;DR: My phone lost its network signal after flashing a new custom rom and I have no idea why. If anyone could somehow help me, I'd be really, really grateful.
I have had this happen so many times it is not crazy LOL. The best you can do is find a rom that it happens the least. For me it has been AOSP extended. Signal has been great. It is a bug that I dont think the devs even thought would happen with 8.1 roms. It will happen to everyone at some point if we stay on these 8.1 roms i guess until we get a workable 8.1 stock rom. There will be those who chime in saying it nevver happen to them but it will eventually.
Well, it's nice to know I'm not actually the only one then, I guess. But is there nothing I can do? Since I can't seem to get it fixed even by flashing the stock ROM anymore and flashing AOSP extended didn't seem to help at all either
I know brother there is no rhyme or reason it just happens. I am hoping when 8.1 stock comes out for us there will be a new batch of 8.1 custom roms without this problem. Right now i am on extended and havent had any signal problems for a few weeks so who knows.
Maximo22 said:
Well, it's nice to know I'm not actually the only one then, I guess. But is there nothing I can do? Since I can't seem to get it fixed even by flashing the stock ROM anymore and flashing AOSP extended didn't seem to help at all either
Click to expand...
Click to collapse
Okay. Luckily enough, Oreo stock ROM doesn't look like it's gonna take too much more to arrive... Or so I hope, at least. Thanks
I was using LinageOs and it was working great. Then I decided to install DolbyAtmos and for that I flashed Magisk . Suddenly i had no network but my sim cards were detected , IMEI was there but no network on either sim whatsoever. I tried reflashing the LinageOs and PixelExperience ROM but none worked. So I tried flashing(ADB) the stock firmware only to lose my IMEI . After reading this post I tried Debloated ROM and my network was back. I should have stopped at that point but I tried to return back to stock again and lost IMEI again and now I have tried Dbloated,LineageOs , PixelExperience , AOSP Extended , but none helped me getting back network . Now I am stuck with this phone with no network , I had a backupp of my system before I flashed Oreo ROMs (with EFS) so I can get IMEI back but no network. This phone was my daily driver and now I have no idea what to do.
svapre said:
I was using LinageOs and it was working great. Then I decided to install DolbyAtmos and for that I flashed Magisk . Suddenly i had no network but my sim cards were detected , IMEI was there but no network on either sim whatsoever. I tried reflashing the LinageOs and PixelExperience ROM but none worked. So I tried flashing(ADB) the stock firmware only to lose my IMEI . After reading this post I tried Debloated ROM and my network was back. I should have stopped at that point but I tried to return back to stock again and lost IMEI again and now I have tried Dbloated,LineageOs , PixelExperience , AOSP Extended , but none helped me getting back network . Now I am stuck with this phone with no network , I had a backupp of my system before I flashed Oreo ROMs (with EFS) so I can get IMEI back but no network. This phone was my daily driver and now I have no idea what to do.
Click to expand...
Click to collapse
Everything you said is exactly as if I had written it. I did all of that and now I'm exactly in the same position. No idea how to fix it yet. Still, if you managed to find a solution somehow, please write a reply on this thread again
Maximo22 said:
Everything you said is exactly as if I had written it. I did all of that and now I'm exactly in the same position. No idea how to fix it yet. Still, if you managed to find a solution somehow, please write a reply on this thread again
Click to expand...
Click to collapse
No success yet , but read on some posts that different baseband could be an issue.
Solution I've tried and worked 100 %
Hi bodies,
You can turn off your phone,
Go to fastboot menu by pressing and holding power button and volume down button in the same time.
Roll to "Restart Bootloader" with volume up/down and validate with power button.
Now select start and the network is back.
see you !:fingers-crossed:
Hello everyone I am facing signal problem with my moto5G plus device .it detect sim card but not getting signal . While searching manually it's say's error while searching network. When i checked in QCQM app for sim card test it's shows " PHONE ICCID Compare with SIM ICCID: ERR". Can anyone give me the solution .. I have tried to boot device in bp tools mode it worked for me only ones until next reboot after that nothing is happening even bp tools mode also ... Had done restore factory many times but same result with no signal
Hi, i did a clean flash and installed android 11 from android 8.1 on my Moto g5 plus(XT1686), after flashing rom with android 11 i am not getting and network coverage, it detect the sim card but no network, cant even search network manually shows as Not available. But after i recover and come back to 8.1 network works fine. Only after updating to any android 11 it dont work. I tried network reset and even Bootloader but nothing seems to work.
Does any1 knows any fix for this?
Does gapps can effect the Network?

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