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Wifi, Bluetooth and mobile hotspot are NOT WORKING ! G930F

I have a problem with my s7 G930F, wifi and moble hotspot are not working at all, when i turn on wifi or hotspot it just showing turning on ..
and when i turn on bluetooth it works for 5 seconds and then keeps switching off and on after every 5 seconds
i tried to wipe cache, factory reset, return to stock rom, install custom roms, install latest modem and bootloader but that did not fix the problem.
please help !!!

Does your gps works ?

NeoDJW said:
Does your gps works ?
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Yes it's.

NeoDJW said:
Does your gps works ?
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Click to collapse
Yes it works.

Check water sticker on botton of sim slot

I had the same issue with a board i fitted to G930F bluetooth wasnt working nor wifi for no apparent reason i went through absolute everything firmware wise and system wise and couldnt figure out what the problem was i then removed everything once again looking for a loose connection it turns out the board i fitted in the top right hand corner there is a silver chip that controls wifi and bluetooth under the antenna there was a small black spot i noticed once carefully cleaned up i found the culprit there are 2 tiny fuses that blew conecting to the wifi chip this chip must also control bluetooth and NFC as that no longer works also.

Martty
Do you find a solution

daliyoos said:
Martty
Do you find a solution
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Click to collapse
I did find the solution unfortunately it requires the wifi ic chip to be replaced along with the fuses accompanied to the chip on the logic board but that means micro soldering the new chip on the other solution is change the board out when you take the antenna at the top off at the top right is the silver chip look at the circuitry and you should find a black burnt out spot also check the aerial for plastic burn where the chip sits
Thats the only solution available that ive found, not even the factory binary found the issue with the hardware though
That one chip though controls the wifi/bluetooth/android hostspot/NFC funnily enough though even though its blown visually the wifi toggles on still and will every now and then pick a network up for a second, the bluetooth toggles on but will not find any other device and other devices cannot find it either, the android hotspot turns on and broadcasts a signal but when trying to connect to it it will not connect, the NFC toggle is also set to on with the writing and toggle greyed out and NFC apps asking to turn on the chip but it cannot be toggled these are symptoms of the error,
If you would like to inspect your device,
If you dont know what your doing order a new backing i can successfully remove them without cracking them with a hair dryer, screen puller the cheap ****ty ring ones, and a guitar pick,
To start heat the backing of the phone up with hair dryer until its warm/hot next step is my secret trick to pop the watertight seal take the sim tray out and no **** blow into it youll hear the seal break get the ring puller pull it up enough to get the guitar pick in and just slide it all the way round,
Once the backs off theres 3 screws at top on antenna your gonna wanna use a phillips #00 for them once the screws are out get a pair of tweezers and slide them into the slot on the left side of the antenna where the vibrator is and pull up it will probably go flying if you use to much force but it wont break, the circuit and wifi module are now exposed on the top right diagnose the board for burnt spots if there is there, take the NFC chip off below the antenna and then the speaker to expose the charging port check the bottom right hand corner for circuitry burning also.

Matty1993 said:
I did find the solution unfortunately it requires the wifi ic chip to be replaced .
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Click to collapse
Hi, I have same problem for long, I tried all software options: factory reset, network reset, hard reset, wipe, firmware upgrade, downgrade,,
I can use NFC without problem but WiFI and Bluetooth are greyed out or stucking on turn on without finding anything.
Could you confirm what is the right IC for it ? I found two different IC number one on Ebay another on Part4reparirs , not sure which one is legit as both claim to be G930 wifi-IC (can't add link as I am new user)
also I would be interested to know where to buy fuse for it
I really miss my phone for few month using spare xiaomi now

aminkian said:
Hi, I have same problem for long, I tried all software options: factory reset, network reset, hard reset, wipe, firmware upgrade, downgrade,,
I can use NFC without problem but WiFI and Bluetooth are greyed out or stucking on turn on without finding anything.
Could you confirm what is the right IC for it ? I found two different IC number one on Ebay another on Part4reparirs , not sure which one is legit as both claim to be G930 wifi-IC (can't add link as I am new user)
also I would be interested to know where to buy fuse for it
I really miss my phone for few month using spare xiaomi now
Click to expand...
Click to collapse
Hey mate im a phone technician,
Ive got a few boards qnd broken S7 laying around ill pull one down and take a picture and label it and what not & will post it here for you,
The ic chip isn't actually a fuse its an actual chip which controls the wifi and bluetooth functions of the phone NFC is locted on 2 different part of the board aswell as wireless charging coil etc, so if that stuffed best of getting a new board, but however there is a small thermistor (ThermalTransistor) just before the wifi bluetooth ic hopefully for you its blown that and stopped current before getting to the wifi ic, i will also label this in the diagram
Hopefully in your case its the thermistor youll know anyway if it is will be blown with black or white residue everywhere and your antenna may be partially burnt out in that case, you will also need to check the daughter board for black or white burn residues also in the bottom right hand corner ill take a picture and label again also,
If i cant get the pics up straight away for you its because xda app is being a pain in the ass still and wont let me upload being playing up for a week now

Matty1993 said:
Hey mate im a phone technician,
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Thanks for reply,, based on your explanation still other thing like antenna fuse thermistor could be damaged and ordering them one by one + shipping is not good idea.. I may better find cheap broken LCD S7 and ask technician to swap the board for me.
still looking forward to the pics... my Insta Gram acc is [at]kian.moments :fingers-crossed:

Nexus 5 overheating problem and No Signal

Hi Guys,
I have a problem with my Nexus 5 in that it overheats to around 70 degrees (got to 101 at one point!) Just by being on, even without using it. It even heats up when you check the battery when powered off (by pressing the power button once) only by a little bit.
I also have another problem, the phone can detect the SIM card and displays the number on the SIM, but it says no signal.
A third problem is that when the phone is locked and the screen is off, it randomly restarts. This doesn't happen when the phone is in use.
I would really appreciate if you guys could help me,
Thanks

1. What rom are you using? do you use a custom kernel?
2. try reflashing factory images.
3. remove simcard and enable aieplane mode. check if it reboots or lverhears
the round antena wires come loose afaik. i ordered a new set lf antenas and replaced them. phone is much cooler and i get better reception and battery life

I'm running the stock android 6.0.1 which I flashed.
It detects the SIM but doesn't get a signal,
I checked and the wires are not loose, maybe I will order the antenna wires as a last resort.
If anyone has any other suggestions, feel free to tell me

Rockman501 said:
I'm running the stock android 6.0.1 which I flashed.
It detects the SIM but doesn't get a signal,
I checked and the wires are not loose, maybe I will order the antenna wires as a last resort.
If anyone has any other suggestions, feel free to tell me
Click to expand...
Click to collapse
Is your GPS working? My Nexus5 have same issue as yours plus GPS is Dead too. After some search I found that the GSM chip is the same of GPS so I think the problem is the chip itself.

Magist'r said:
Is your GPS working? My Nexus5 have same issue as yours plus GPS is Dead too. After some search I found that the GSM chip is the same of GPS so I think the problem is the chip itself.
Click to expand...
Click to collapse
I haven't checked. Im a bit busy this weekend so after the weekend I will try to check and I'll report my findings back.
Thanks ?

[Resolved] help wifi not starting (Mac Address unavailable)

Hello professionals
i have serious problem about 2 months ago with my HTC E9 Plus Dual SIM , wifi will not start also bluetooth , when i click on wifi it going grey and become white again , i checked Mac address it is said unavailable , sometimes if i was lucky will work after first reboot , sometimes i need to reboot it 50 times to get start , it start and connect for 5 or 10 mins then wifi stuck again and disconnect , at that time i tried to turn it off but nothing work. note the phone is rooted.
i tried the following :
Not working = wifi did not turn on.
1- firmware with stock firmware and update latest software version ( did not work).
2- replace sdio.ko and twlan_drv.ko on system\lib\modules (did not work).
3- i changed chmod for both files above to 777 (did not work).
4- clear cache partition and other caches (did not work).
5- reset to factory settings (did not work).
6- rooted phone (did not work).
7- change Phone name and bluetooth name when it is work but after a 5 mins driver got stuck and not back again.
8- tried reset wifi drivers or reload (*#265..etc) the code did not work.
9- sometimes after 20 times reboot (did not work).
10- activate flying mode and reboot then try (did not work).
11- i tried to restart in safe mode (same old story).
UPDATE : George suggested to me to try to fix wifi antenna and as i mentioned below in replies i just tighten the back cover and it work again without any troubles again thank you george
i am not sure if there is any steps to do to get my wifi back , i am sure it is software issue because it is work sometimes , i don't know also if there are files need to be replaced or trick can do the job .
please help ...
Greetings
Maen

up ... any idea?

jordannet said:
up ... any idea?
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I am 100% sure it's a wifi antenna issue and NOT a software related problem. Many HTC phones have wifi problems. See here https://www.ifixit.com/Answers/View/226502/I+cannot+enable+WiFi+on+my+phone
I suggest you have someone take apart your phone and replacing the wifi antenna cable as you can see here https://www.ifixit.com/Guide/HTC+One+X+Antenna+Replacement/31071 or you can DIY ?

George Malas said:
I am 100% sure it's a wifi antenna issue and NOT a software related problem. Many HTC phones have wifi problems. See here https://www.ifixit.com/Answers/View/226502/I+cannot+enable+WiFi+on+my+phone
I suggest you have someone take apart your phone and replacing the wifi antenna cable as you can see here https://www.ifixit.com/Guide/HTC+One+X+Antenna+Replacement/31071 or you can DIY
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Click to collapse
i contacted HTC they told me it is possible that wifi board and replace it will cost me 250$ which is fu***en stupid because price of new mobile = wifi board.
i doubted that but too stupid to pay 250$ to repair phone while you can buy new one.
i read about antenna , i think it is part of solution , today i will try it , after those kids in my home leave LOL

jordannet said:
i contacted HTC they told me it is possible that wifi board and replace it will cost me 250$ which is fu***en stupid because price of new mobile = wifi board.
i doubted that but too stupid to pay 250$ to repair phone while you can buy new one.
i read about antenna , i think it is part of solution , today i will try it , after those kids in my home leave LOL
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Yes. Apparently HTC , like most companies, want to rip you off. 250$? Insane!

George Malas said:
Yes. Apparently HTC , like most companies, want to rip you off. 250$? Insane!
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YEEEEEESSSS GOERGE ... BIG LIKE BIG LIKE ... I LOVE YOU MAN ..LOOOL YOU SAVED ME FROM HTC who attempted to steal my money :highfive::highfive::highfive:
yes George ... Done i got it done , Do it yourself , it was antenna as you said ,
what i noticed that because my phone dropped many times on the ground the back cover of the phone become little separated and there is little space so it Tighten it little bit and things working great ... this is the trick , no board .. no software .. it is fuc***n antenna ..

jordannet said:
YEEEEEESSSS GOERGE ... BIG LIKE BIG LIKE ... I LOVE YOU MAN ..LOOOL YOU SAVED ME FROM HTC who attempted to steal my money :highfive::highfive::highfive:
yes George ... Done i got it done , Do it yourself , it was antenna as you said ,
what i noticed that because my phone dropped many times on the ground the back cover of the phone become little separated and there is little space so it Tighten it little bit and things working great ... this is the trick , no board .. no software .. it is fuc***n antenna ..
Click to expand...
Click to collapse
Cheers man! Enjoy!

George Malas said:
Cheers man! Enjoy!
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cheers ya habeebi cheers , it is still working fine , i spoke to HTC and punished them , they want to take 250$ for nothing :good:

XIaomi Mi5S Plus 4+64 GPS, Bluetooth, Wifi 2.4 low signal

Hi, I've got an issue with my Mi5S Plus phone.
It finds only 4-5 sattelites via GPS while other phone finds 21.
Bluetooth works within 2-3 meters only.
Wifi 2.4 Hz works in 5-6 meters max and shows low signal strength.
Meanwhile Wifi 5 Hz works pretty well.
LTE works ok.
It's chinese phone with Global ROM 9.6.2.0 installed.
Mac adress in about phone is not empty.
Is that hardware or software issue?
Looks like antena issue but where is it and where are antena connectors in Mi5S Plus?
Will flash of ROM help? (I did not try it yet)
Any help is highly appreciated! I face such issue for the first time and searching the internet does not help.

open the phone, the antenna for anything except cellular are the tiny pogo connector that should be in contact with the respective pads in the back case...
clean the back case's pad for the respective contact points and try it again...

@dogrishin were you able to fix it?

Crescendo Xenomorph said:
@dogrishin were you able to fix it?
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Click to collapse
No I did not try it yet. I will definitely update with results. Thanks for your support, Crescendo!

Great Thanks!
Crescendo Xenomorph said:
@dogrishin were you able to fix it?
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Click to collapse
Thank you Crescendo again! I finally succeeded to fix it.
Chinese seller broke connector in the left upper corner of PCB when he disassembled phone to flash Global ROM via ETL loader I suppose.
I had to solder another connector and so now it's finally working as it should: Wifi 2.4, bluetooth, GPS signals are strong.
So it was 100% hardware issue, not related to software.
For other guys with same issue I advice to disassemble according to video on YouTube:
"Как разобрать Xiaomi Mi5s Plus (2016070) Разборка и ремонт"
And if you have same issue, bring it to repairman so he will solder you another connector fast and cheap.

dogrishin said:
Thank you Crescendo again! I finally succeeded to fix it.
Chinese seller broke connector in the left upper corner of PCB when he disassembled phone to flash Global ROM via ETL loader I suppose.
I had to solder another connector and so now it's finally working as it should: Wifi 2.4, bluetooth, GPS signals are strong.
So it was 100% hardware issue, not related to software.
For other guys with same issue I advice to disassemble according to video on YouTube:
"Как разобрать Xiaomi Mi5s Plus (2016070) Разборка и ремонт"
And if you have same issue, bring it to repairman so he will solder you another connector fast and cheap.
Click to expand...
Click to collapse
I cannot post URLs as I an novice here, you can see them by these links:
_http://i66.tinypic.com/33couip.png
_http://i68.tinypic.com/2jbwo6q.png
_https://www.youtube.com/watch?v=iTmSfh91lc4

thanks for the clear photo & pinpoint accuracy.
I can only guess the connectors coz they're plenty on top part of the phone... [emoji38]
Mine's not broken but the GPS (only the GPS) signal is weak... weaker than my wife's, same model same configs.
it all happened after I opened the phone for cleaning..., maybe the pin isn't making good contact with the antenna, I'll reopen it tom & try to bend it forward carefully...
again thanks for the clear explanation & photo...
glad it's all ok for you...
Sent from my MI 5s Plus using Tapatalk

@dogrishin is it possible to repost the photos of the connector that you have fixed, they're gone from tinypic (perhaps upload to imgur or somewhere)
@Crescendo Xenomorph have you figured out which connector specifically is the GPS antenna?
I have the same problem after I had to disconnect and re-connect the battery. I haven't broken any pins or replaced anything in the phone but after putting it back together the GPS signal is insanely weak. Takes forever for a position fix and keeps losing it after. Also Wi-Fi is dead one wall away from the router. I've carefully bent all the pins a bit towards the back-case today and had no great improvement.

I think it's the second one from the top right, coz I broke mine & the wifi is gone...
Had to get it replaced to makewifi work again, but my take is usually just fix all connectors inside since I can't be sure....

@kaboom83 sorry for sooo late reply, but I could not find original photos....so now I just accidentally have found them and reuploaded to imgur. Here they are
https://imgur.com/a/ejfjqGb

Question Help || Mobile radio power turn off automatically

when i enter phone info through (*#*#4636#*#*) and turn mobile Radio Power on exit the program and enter it again i see that radio power is off..
as a result i have no signal and can't call anyone.
i first saw this problem after upgrading to android 12 latest update but now after downgrading to android 11 the problem remain.
what can i do?

Change the motherboard or swap unit with the asus repair center

vinotux said:
Change the motherboard or swap unit with the asus repair center
Click to expand...
Click to collapse
there's no way there's a software issue?

dokvader114 said:
there's no way there's a software issue?
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Click to collapse
Also getting the same issue on two different phones now, one of them seems to fix itself randomly but the other is just not working at all.
Can't find any fix for this online either

oOII TAHA IIOo said:
Also getting the same issue on two different phones now, one of them seems to fix itself randomly but the other is just not working at all.
Can't find any fix for this online either
Click to expand...
Click to collapse
If it's still in warranty, go to the repair center and get a replacement. It's a hardware flaw from ASUS's side

HI guys, i have the same issue on my Oneplus 8 PRO, do you find a solution ?
I tried to flash on Android10 and the mobile radio power turn on , but my sim card is not recognized :/

dokvader114 said:
when i enter phone info through (*#*#4636#*#*) and turn mobile Radio Power on exit the program and enter it again i see that radio power is off..
as a result i have no signal and can't call anyone.
i first saw this problem after upgrading to android 12 latest update but now after downgrading to android 11 the problem remain.
what can i do?
Click to expand...
Click to collapse
The radio function turns off or it's on but no signal strength? If the latter and you have bent this device by accident, even by a little bit in your pocket or similar, it may have damaged the antenna lines that are delicate and routed around the soft plastic side frame of this device. I've had that happen...

Shinuis said:
HI guys, i have the same issue on my Oneplus 8 PRO, do you find a solution ?
I tried to flash on Android10 and the mobile radio power turn on , but my sim card is not recognized :/
Click to expand...
Click to collapse
Check if it's an IMEI issue or you might have had an error while flashing, hence causing the driver/firmware to break and not detect your SIM.

Andrologic said:
The radio function turns off or it's on but no signal strength? If the latter and you have bent this device by accident, even by a little bit in your pocket or similar, it may have damaged the antenna lines that are delicate and routed around the soft plastic side frame of this device. I've had that happen...
Click to expand...
Click to collapse
how you fixed it ?