Galaxy SIII GT-I9300 WIFI problem. - Galaxy S III Q&A, Help & Troubleshooting

Hello,
Recently my s3 wifi has stopped working... it wont connect to any wifi and would simply "save" it but wont connect(it says connecting for a few seconds but doesnt connect). Ive had this phone quite a long time and ive rooted it and flashed roms a lot aswell but for six months or so i just flashed the samsung stock firmware for it and have been using it no problem bu suddenly it stopped working. i tried resetting, flashing ROMs, trying another stock firmware did te wifi power saving thing but it still doesnt work. What i saw was when i like reset the phone with the sim card installed the wifi wont work but when i reset the phone without the sim the wifi will work but when i insert the sim back again itll stop working again. i tried changing sims but still asme result. Any help would be appreciated.
Thanks

Related

[Q] Wifi not working after 3588 update

Hey,,
So I received my G tab today and connected it to the internet and downloaded the update (Tap UI V.1.1-3588).
However, after the update got applied, when I try to turn on Wifi it says error. I tried to restart the device twice and on both times the wifi worked and actually connected to my network but then disconnected and went back into displaying the error in matter of seconds. I have searched the forums but it seems no one with stock Rom have had this problem.
Thanks in advance
I had issue with the stock fw, never ever after 3588 was ok, even when reinstalling
Try a new firmware. Maybe
Sent from my UPC300-2.2 using Tapatalk
I've got the same issue here. After restart I have Wifi for a couple minutes then it disconnects and errors until the next restart. This is my second G-tab and my first one works great.
P.S. Other ROMS didn't help my condition so you may want to pursue return before attempting Rom upgrade. I'm back to bone stock and still not joy.
It works now !
All what I did is close the wifi as soon as it starts, gave it a minute then turned it on.
Now I'm not sure if I should do this each time i boot it up, but, it works !
Try doing that, maybe it was by chance that it worked with me .

Help Wifi Not turning on

i need a big help my android phone is acting strange ever since i turned off my phone and turned it back on my phone got broken i think because i can't connect to wifi when pressing the wifi button it says turning on but suddenly turned off again tried soft format and hard format but still no luck tried different methods like putting a sim card on my phone but still no luck need help my phone is Pantech Sky Vega IM-A710K v.2.3.4 Gingerbread but before the problem happened my phone is working very well even without a sim card on it i can still use my phone's wifi need help any solution??? and i think my hard format is not 100% success because it says /system failed????

[HELP] Samsung Galaxy V No sim problem after reboot.

HI i'm Ivan Jurel San Jose (Newbie)
I had this problem about my sim card it wont read it and it says on the nontifications "NO SIM"
It Happened two days ago when i was playing games on Laptop i turn the Tethering or Portable Hotspot on my phone to connect and i turn off my phone when i finished using the internet i turn on my phone the screen wont on so i reboot after rebooting it says on my phone's Nontfication "NO Sim".
I searched in the internet nothing solved its about the software if the software wont working properly then the hardware wont
So please give me something to solved this problem
I've done many things to this phone it was very special to me and i rooted it by Kingoroot(Why is it easy on this its not challenging its recommended root for samsung phones)

Problem:Cellular Network in Oneplus X

So,
I bought this phone on the day it was launched, its been more than 3 months and had no issue with the device. I rooted the phone , experimented with Xposed and other apps but for the past few days i was experiencing this strange problem. Cellular network was not running on my phone, i changed the sim, swithed the devices on/off several times , did everything i could do in the os, changing the mode to 3G from LTE and vica versa, etc etc .. but still no luck. The cellular network sometimes comes and goes. Then i opted for last resort which was to factory reset the phone, after resetting it the cellular network worked but i don't know if this is a permanent solution. If you have anything to add please share.
Regards,
Saransh
Sorry nothing much to share but i suspect you install some apps or did something to your rom so the network screwed. My suggestion is you nandroid backup every week (at least) so you can revert back when something happened.
Tried factory reset
I have tried factory reset but still having this issue. Maybe it's a hardware issue. I don't get it , everything was working fine few days ago then all of a sudden this **** happened.
SaranshVfx said:
I have tried factory reset but still having this issue. Maybe it's a hardware issue. I don't get it , everything was working fine few days ago then all of a sudden this **** happened.
Click to expand...
Click to collapse
Maybe exposed screwed something. Get a microsd card with whatever rom you want in it. reboot to recover and try full format. insert the microsd after then flash a rom. see if it works
Rooted my phone with sudamod rom, Everything is working fine.

Poco f1 network problem

Hi all,
I am completely stuck with this, I couldnt get any wifi it wouldnt turn on and when I did it just turned off again. It also wont read my sim card and randomly restarts.
I tried factory resetting but its now just stuck getting me through the android setup and needs internet in order for me to register the account that I previously used on the phone, otherwise it wont let me pass. It wont turn on wifi still and still doesnt register my sim card.
Please help as I have been trying this for hours and Im honestly at the end of my rope.
Cheers,
Evan
update:
I have tried,
factory reset
Flashing the rom,
downgrading,
upgrading,
wiping everything and putting latest miui again,
used twrp for running a recovery.
None of this has worked - all came to the same problem
I face this problem also and i change poco f1 bettery with new bettery now everything is ok but bettery is very costly 3200 ruppes in mi service center

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