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Xperia T - Not possible to turn on Wifi after Updating to Android 4.3

Yesterday I updated my Xperia T to Android 4.3 via Sony Companion Software. My phone is not rooted. Everything apperently went fine, but after the Update process I wanted to turn on my Wifi, but it did not work. I tried that from the quicksettings and form the settings directly. The button remain grey for a certain time and the turns back to off.
I turned off my phnone and on again, but a white triangle with a screw came and the phone remained in that status for more than 6 hours. After that it turned on, but the Wifi problem remains. Regarding Bluetooth, that works fine.
What I noticed is that when I check the phone info and the Wifii settings, no MAC Adress is listed there for Wifi. I don't think its a hardware problem, because everything was fine before updating.
What should I do? I am afraid to turn my phone off bcause it could go back to the white triangle remaining for several hours in that state. I dont think a factory reset would help, because there seems to be an update problem and I would like to rather not loose all my settings.
Any help would be very appreciated, because I urgently need wifi in my university.......

darkangel1 said:
Yesterday I updated my Xperia T to Android 4.3 via Sony Companion Software. My phone is not rooted. Everything apperently went fine, but after the Update process I wanted to turn on my Wifi, but it did not work. I tried that from the quicksettings and form the settings directly. The button remain grey for a certain time and the turns back to off.
I turned off my phnone and on again, but a white triangle with a screw came and the phone remained in that status for more than 6 hours. After that it turned on, but the Wifi problem remains. Regarding Bluetooth, that works fine.
What I noticed is that when I check the phone info and the Wifii settings, no MAC Adress is listed there for Wifi. I don't think its a hardware problem, because everything was fine before updating.
What should I do? I am afraid to turn my phone off bcause it could go back to the white triangle remaining for several hours in that state. I dont think a factory reset would help, because there seems to be an update problem and I would like to rather not loose all my settings.
Any help would be very appreciated, because I urgently need wifi in my university.......
Click to expand...
Click to collapse
Repair it using PCC or flash the ftf file with Flashtool

St.Jimmy90 said:
Repair it using PCC or flash the ftf file with Flashtool
Click to expand...
Click to collapse
Thank you for your reply. Could you please explain to me what ftf is and what flashtool I need? Tnx...

darkangel1 said:
Thank you for your reply. Could you please explain to me what ftf is and what flashtool I need? Tnx...
Click to expand...
Click to collapse
The ftf file is the stock Rom, you can find it here on xda. Flashtool also. Flashtool only works if you have windows xp, vista 7 or 8. Not on 8.1. Repairing it using pcc should be easier though

St.Jimmy90 said:
The ftf file is the stock Rom, you can find it here on xda. Flashtool also. Flashtool only works if you have windows xp, vista 7 or 8. Not on 8.1. Repairing it using pcc should be easier though
Click to expand...
Click to collapse
Tnx again. Regarding stoch Rom, I think I am a newbie in that field. I will try to repair via PCC. I have sony bridge for Mac or a Windows PC with Windows 8.1. Which one would you prefer? I updated to Android 4.3 on a Windows 8.1 PC. Do you think that might be a reason, why there is an issue with the update process or something went wrong?

Windows 8.1 works with one of the updates the launched not so long ago
Sent from my LT30p using xda app-developers app

silasje1 said:
Windows 8.1 works with one of the updates the launched not so long ago
Sent from my LT30p using xda app-developers app
Click to expand...
Click to collapse
Unfortunately, reparing it with PCC did not help and I am quite desperate. I bought the phone last year as a used one. I am quite a newbie in this field, but could it be, that the rom installed is an altered one and a normal update via PPC leads to this Wifi problem? Normally that should not be the case, but how can I find that out what is causing the problem and what must I do to overcome this drama of mine. I whish I didn't perform that update, because everything wAs working fine before.....

darkangel1 said:
Unfortunately, reparing it with PCC did not help and I am quite desperate. I bought the phone last year as a used one. I am quite a newbie in this field, but could it be, that the rom installed is an altered one and a normal update via PPC leads to this Wifi problem? Normally that should not be the case, but how can I find that out what is causing the problem and what must I do to overcome this drama of mine. I whish I didn't perform that update, because everything wAs working fine before.....
Click to expand...
Click to collapse
Try enabling aeroplane mode then disable aeroplane mode, have found that sorts mine when wifi won't turn on

markafreeman said:
Try enabling aeroplane mode then disable aeroplane mode, have found that sorts mine when wifi won't turn on
Click to expand...
Click to collapse
Thanx, but unfortunately that did'nt help either.......

flash kernel
darkangel1 said:
Thanx, but unfortunately that did'nt help either.......
Click to expand...
Click to collapse
have u tried flashing the kernel. i may have missed it but it ur phone rooted ?

Alex5699 said:
have u tried flashing the kernel. i may have missed it but it ur phone rooted ?
Click to expand...
Click to collapse
Thnx again. I am quite a newbie in this field. I really don´t know whether it is rooted or not. How can I find that out? And how do I flash the kernel and what do I need for doing that?

darkangel1 said:
Thnx again. I am quite a newbie in this field. I really don´t know whether it is rooted or not. How can I find that out? And how do I flash the kernel and what do I need for doing that?
Click to expand...
Click to collapse
ok what u need to do is root your phone first . they are some threads that show u how to do it i recommed after rooting jus use this rom
httphttp://forum.xda-developers.com/showthread.php?t=2647459
to root unable debug mode in settings/developer
and unknown sources in settings/security .. first u will have to go back to 4.1.2 to root ur phone and then follow the above instructions

Look at these threads, it can help a lot:
http://forum.xda-developers.com/showthread.php?t=1903137
http://forum.xda-developers.com/showthread.php?t=1849170

Bluetooth conflict with wifi
I just upgraded to the latest build 9.2.A.1.205 and bluetooth and WiFi seem to conflict with one another. To have Wifi working i have to stop Bluetooth.

darkangel1 said:
I dont think a factory reset would help, because there seems to be an update problem and I would like to rather not loose all my settings.
Click to expand...
Click to collapse
A factory reset would definitely work. You don't know how many times I've seen people (even with different phones) have problems like these because they change their Android version and/or flash different ROMs without wiping their partitions, i.e., doing at least a Factory Reset. If you were rooted you could try deleting the "wpa_supplicant.conf" file in /data/misc/wifi. The problem is, since you're already on 4.3, there is no sure way to root 4.3 unless your bootloader is unlocked. So unless you find out a way to backup your data/settings, you're either going to lose it all when doing a Factory Reset, or downgrading to 4.1.2 (to root), or even flashing a stock 4.3 FTF, because I'm sure your problem is that you haven't wiped.

[Q] moto x1058 wifi problems

Hello, I have searched for a solution and found some that worked, My WIFI on my moto x will not connect to any network.
it just started a few weeks ago, But going to in to recovery mode and wiping the cache was working it would connect again.
Thing is it's not only on my home network if i go to any place with WIFI it shows the network, I try to connect and it disappears.
I had the kitkat update I tried to factory reset that did not work also reflashed to jelly bean to see if that would fix the problem. I did not restore any back ups of my device since it could have been a corrupt setting or file that was messing it up. Still no luck I tried some of the router options found on the web about changing the channels. Just to be clear it will not connect to any WIFI not just the one at my house.
I spoke with Fido tech support and after explaining everything i tried they said i was out of options and since I bought the phone right out, I would have to call Motorola and see if they can fix it, thing is i unlocked the bootloader when I rooted it when i first had it with it's stock jelly bean.
I know this is a on going issue for many other moto x, could it just be a hardware issue now my phone has been in a otter box defender since the day i bought it, it has no damage or ever been dropped in water.
it's frustrating, my data works perfect and every thing else on phone works great. I really like the phone but since the bootloader is unlocked the warranty is now void and I only had the phone since dec 2013.
does any one have any last options I could possibly try thanks in advance.

xsnyper said:
Hello, I have searched for a solution and found some that worked, My WIFI on my moto x will not connect to any network.
it just started a few weeks ago, But going to in to recovery mode and wiping the cache was working it would connect again.
Thing is it's not only on my home network if i go to any place with WIFI it shows the network, I try to connect and it disappears.
I had the kitkat update I tried to factory reset that did not work also reflashed to jelly bean to see if that would fix the problem. I did not restore any back ups of my device since it could have been a corrupt setting or file that was messing it up. Still no luck I tried some of the router options found on the web about changing the channels. Just to be clear it will not connect to any WIFI not just the one at my house.
I spoke with Fido tech support and after explaining everything i tried they said i was out of options and since I bought the phone right out, I would have to call Motorola and see if they can fix it, thing is i unlocked the bootloader when I rooted it when i first had it with it's stock jelly bean.
I know this is a on going issue for many other moto x, could it just be a hardware issue now my phone has been in a otter box defender since the day i bought it, it has no damage or ever been dropped in water.
it's frustrating, my data works perfect and every thing else on phone works great. I really like the phone but since the bootloader is unlocked the warranty is now void and I only had the phone since dec 2013.
does any one have any last options I could possibly try thanks in advance.
Click to expand...
Click to collapse
Hi,
I suggest you do a full SBF restore. Don't confuse this with a factory reset....SBFing can actually repair a corrupted filesystem, while a factory reset does not.
You can find a great guide here:
http://forum.xda-developers.com/moto-x/general/guide-moto-x-return-to-100-stock-using-t2446515
There are 2 methods. RSD Lite and manual method. Either will work, but pay very close attention to the instructions.
You will find the SBF file for your particular carrier/version here:
http://sbf.droid-developers.org/phone.php?device=0
Good Luck
P.S. I too was having strange WIFI issues. The SBF back to stock fixed it 100%. Hope it works for you.

no luck
samwathegreat said:
Hi,
I suggest you do a full SBF restore. Don't confuse this with a factory reset....SBFing can actually repair a corrupted filesystem, while a factory reset does not.
You can find a great guide here:
http://forum.xda-developers.com/moto-x/general/guide-moto-x-return-to-100-stock-using-t2446515
There are 2 methods. RSD Lite and manual method. Either will work, but pay very close attention to the instructions.
You will find the SBF file for your particular carrier/version here:
http://sbf.droid-developers.org/phone.php?device=0
Good Luck
P.S. I too was having strange WIFI issues. The SBF back to stock fixed it 100%. Hope it works for you.
Click to expand...
Click to collapse
I followed the guide step by step, Still no luck.
shows the wifi connections, saves them and shows that it is connecting and just goes back to saved, or disabled. Sometimes even just disappears took it in to have it looked at and the guys at the fido store had the same issue trying to connect to their network.
They keep saying it is a software issue but i'm starting to think it might be hardware. I even tried some fixes with Root to get access to the persist folder to change a file. Tried booting in safe mode to see if it would connect and just does the same thing, I might just be buying a new device just got one of those unlucky ones thanks again tho.

xsnyper said:
I followed the guide step by step, Still no luck.
shows the wifi connections, saves them and shows that it is connecting and just goes back to saved, or disabled. Sometimes even just disappears took it in to have it looked at and the guys at the fido store had the same issue trying to connect to their network.
They keep saying it is a software issue but i'm starting to think it might be hardware. I even tried some fixes with Root to get access to the persist folder to change a file. Tried booting in safe mode to see if it would connect and just does the same thing, I might just be buying a new device just got one of those unlucky ones thanks again tho.
Click to expand...
Click to collapse
I would suspect a hardware issue since you have doctored your persist partition, and you have restored the others via SBF. Bummer :/ Maybe someone else will have another suggestion for you.
Good Luck

Thank you
Thank you Very Much

Working again!
I did not give up and it's working again thanks to samwathegreat, I dont mean to bump my old post but I just want to share with other xt 1058 users that may have been having this issue.
I had mentioned before I used some one else's persist files to try and fix mine and thought it was a hardware problem, Well turns out it was not.
I used the files samwathegreat posted in this post
http://forum.xda-developers.com/showpost.php?p=54089540&postcount=7
I also made a back up of mine, the files in that folder are for a xt 1060 but corrected my problem now I can connect every where again including my house and any other place that offer WIFI.
I was not able to send it to Motorala since I had unlocked the boot loader and warranty was void. All I could do was wait, I even flashed a tmobile 4.4.3 to see if that would fix it with no luck. Any ways just want to say thanks again samwathegreat!!! :good::good:

xsnyper said:
I did not give up and it's working again thanks to samwathegreat, I dont mean to bump my old post but I just want to share with other xt 1058 users that may have been having this issue.
Click to expand...
Click to collapse
Congrats bud!!! Don't worry about the files being from an XT1060 - they are the same on all Moto X variants.
Glad to hear it is all sorted out!!! Enjoy.

M7 - Wifi won't turn on

Received a warranty replacement for my HTC One (M7), which is a brand new handset running 4.4.2 and sense 6.0. The wifi on the device will not turn on at all. It just looks like it is continuously trying to start with no way to stop it. My last two of the same phone had hardware issues and I am hoping for an easier fix than sending it away again under the warranty.
So far I have tried:
- Factory reset
- Tried to boot to recovery to clear the caches, but it just goes to a black screen
- Toggling between Airplane mode (as suggested on some forums)
- Tested setting up as a portable hotspot. It goes through the steps and completes, but then just says that the feature is still switched off
Any help would be appreciated. I would rather not flash a custom rom, but am open to the idea if needed. If this is a hardware fault and needs to go away under warranty I would be better to find out now and send it off sooner.

Zanbatou9 said:
Received a warranty replacement for my HTC One (M7), which is a brand new handset running 4.4.2 and sense 6.0. The wifi on the device will not turn on at all. It just looks like it is continuously trying to start with no way to stop it. My last two of the same phone had hardware issues and I am hoping for an easier fix than sending it away again under the warranty.
So far I have tried:
- Factory reset
- Tried to boot to recovery to clear the caches, but it just goes to a black screen
- Toggling between Airplane mode (as suggested on some forums)
- Tested setting up as a portable hotspot. It goes through the steps and completes, but then just says that the feature is still switched off
Any help would be appreciated. I would rather not flash a custom rom, but am open to the idea if needed. If this is a hardware fault and needs to go away under warranty I would be better to find out now and send it off sooner.
Click to expand...
Click to collapse
Have you ruled out the possibility of it being your Router ?
have you tried to get wifi in different areas ? If it never connects to wifi anywhere it's most likely a hardware issue. I have never had a wifi issue with dozens of different software configurations. Unlocking the bootloader may void your chance of sending it back

If you dont want to send your phone back, i`d try to make a factory reset first. If that does not solve your problems, s-off your phone, install a custom recovery and flash a custom rom from xda. If that makes no difference try to flash a different firmware (that matches with your phone!!).
I hope that helped.
Good luck and if you have any questions, feel free to ask in this thread. :good:

clsA said:
Have you ruled out the possibility of it being your Router ?
have you tried to get wifi in different areas ?
Click to expand...
Click to collapse
In the house we have multiple tablets, computers, other phones, Chromecast, etc etc. My previous HTC Ones never had any issues with my wireless. The issue remains that the wireless on the device will not turn on at all in order to search for or connect to the WLAN. It just says "Turning on.." indefinitely.
$tefanDroid said:
If you dont want to send your phone back, i`d try to make a factory reset first.
Click to expand...
Click to collapse
Already done - See OP
$tefanDroid said:
If that does not solve your problems, s-off your phone, install a custom recovery and flash a custom rom from xda. If that makes no difference try to flash a different firmware (that matches with your phone!!).
Click to expand...
Click to collapse
I was hoping to avoid installing a custom rom this time around (had the stock M7 Google rom on previously). I may try a new rom just to rule out hardware issues. It's sounding more and more like Im going to have to return the phone...

Wifi never connects

Hello, I hope someone can solve me the following problem:
I've been with Validus and RR CM ROMs and one day my wifi stopped connecting to any network, I thought reinstalling the ROM would work, but not ... Today I've been doing full wipes and was the same. So my last chance was putting a STOCK but has not worked, so I do not know what else to do ...
When I try to connect appears:
- Connecting ...
- Disabled
- Saved
But never connected.
Thanks to that I can help with anything ...
Regards

josemolto said:
Hello, I hope someone can solve me the following problem:
I've been with Validus and RR CM ROMs and one day my wifi stopped connecting to any network, I thought reinstalling the ROM would work, but not ... Today I've been doing full wipes and was the same. So my last chance was putting a STOCK but has not worked, so I do not know what else to do ...
When I try to connect appears:
- Connecting ...
- Disabled
- Saved
But never connected.
Thanks to that I can help with anything ...
Regards
Click to expand...
Click to collapse
Try few of these.
have you tried connecting to different WiFi routers?
HAve you recently unlocked bootlader unofficially?

Yes, I have tried and the same, I unlocked months ago... Sometimes it connects (few minutes), I have tried to clean saved networks, wipe Google , recover WiFi from titanium backup... Now it is in authentication problem...

Yes, I have tried and the same, I unlocked months ago... Sometimes it connects (few minutes), I have tried to clean saved networks, wipe Google framework, recover WiFi from titanium backup... Now it is in authentication problem...
Maybe I have lost WiFi modules...
Hnk1 said:
Try few of these.
have you tried connecting to different WiFi routers?
HAve you recently unlocked bootlader unofficially?
Click to expand...
Click to collapse

josemolto said:
Yes, I have tried and the same, I unlocked months ago... Sometimes it connects (few minutes), I have tried to clean saved networks, wipe Google framework, recover WiFi from titanium backup... Now it is in authentication problem...
Maybe I have lost WiFi modules...
Click to expand...
Click to collapse
That's exactly what I thought and that's why I have asked you about your bootloader status. At times, you can lose your bluetooth and wifi while unlocking the bootloader which is more common if you unlock it unofficially. So if you can recall, when exactly the problem started. How long after you unlocked your bootloader ?
You say by reverting back to stock, it has not helped ? How did you revert back to STOCK. Try using Sony companion to repair your phone. That might help.
If that doesnot work, try relocking your bootloader on stock and see
Well, at times weirdest things seem to work!
I suggest flash STOCK which is device specific. i understand there is variation in Xperia Z models and thus I suggest you use the one which is device specific and report back,
By the way, is any Sony Care centre near your place ?

Hnk1 said:
That's exactly what I thought and that's why I have asked you about your bootloader status. At times, you can lose your bluetooth and wifi while unlocking the bootloader which is more common if you unlock it unofficially. So if you can recall, when exactly the problem started. How long after you unlocked your bootloader ?
You say by reverting back to stock, it has not helped ? How did you revert back to STOCK. Try using Sony companion to repair your phone. That might help.
If that doesnot work, try relocking your bootloader on stock and see
Well, at times weirdest things seem to work!
I suggest flash STOCK which is device specific. i understand there is variation in Xperia Z models and thus I suggest you use the one which is device specific and report back,
By the way, is any Sony Care centre near your place ?
Click to expand...
Click to collapse
I don't think it is because of unlocking because was officially and I have being using and changing ROMs and there wasn't any problem.
Maybe it could be when I flashed cm-12.1 (RR ROM). Then, I flashed stock one with flash tool to fix my WiFi, is there any different with companion? I can't go to Sony I am travelling in few days, and I need a phone soon!!!

josemolto said:
I don't think it is because of unlocking because was officially and I have being using and changing ROMs and there wasn't any problem.
Maybe it could be when I flashed cm-12.1 (RR ROM). Then, I flashed stock one with flash tool to fix my WiFi, is there any different with companion? I can't go to Sony I am travelling in few days, and I need a phone soon!!!
Click to expand...
Click to collapse
The only reason I'm referring you to Sony companion is that it might fix the issue as it is official way to do it.

Hnk1 said:
The only reason I'm referring you to Sony companion is that it might fix the issue as it is official way to do it.
Click to expand...
Click to collapse
It didn´t work... I don´t know what to do

josemolto said:
It didn´t work... I don´t know what to do
Click to expand...
Click to collapse
Dispatch it to a sony centre and they would certainly repair it for a small price

Hnk1 said:
Dispatch it to a sony centre and they would certainly repair it for a small price
Click to expand...
Click to collapse
Can you give me the wifi module and tell me in what folder I have to copy it?

josemolto said:
Can you give me the wifi module and tell me in what folder I have to copy it?
Click to expand...
Click to collapse
I am afraid I do not own an Xperia Z . I actually answer questions that no one answers in different forums.
I wish I could be of more help in this regard. Sometimes relocking your bootloader with flashtool helps as well.

josemolto said:
Can you give me the wifi module and tell me in what folder I have to copy it?
Click to expand...
Click to collapse
Hey I remember that you have not tried this so I thought you should give it a try.
Sony Emma Flashtool
http://developer.sonymobile.com/services/flash-tool/
How to use it
https://www.youtube.com/watch?v=g8azjXu4etI
Try repairing your phone with this and see what happens.
Quote me in case you expect a reply. Good Luck

I have the same problem
I have exactly the same problem guys, it started when I tried to activate Tethering (hotshot) and it didn't work
Notice that I was on kitkat 4.4.4 then I flashed lollipop 5.0.2, wiped the data and still can't connect to wifi or activate tethering

Please help me guys

kkareemadel said:
Please help me guys
Click to expand...
Click to collapse
I sent it to Sony technicians and they wanted me to pay 130 € to fix the "electric issues" so there my XZ is without WiFi forever, I guess. Sorry mate.
Sent from my D6603 using Tapatalk

Mi A2 WiFi doesn't work at all, even after factory reset

Hey!
I don't know if this is the correct forum, but I hope so.
So, after having a few troubles getting the A2 to work with root and so on everything seemed to work until a few random apps didn't work at all (they crashed as soon as you opened them). After trying to solve the problem (and failing) I thought a factory reset would maybe be the best idea, now that I know the way to root it and so on.
But after factory reset the wifi doesn't work at all. It "searches" for networks, doesn`t find anything and if I finish the installation and manually want to turn the wifi off and on afterwards I can see that the wifi connection is turned off and if I press the slider it goes on and then off immediately.
I tried flashing the stock rom with the xiaomiflash-tool, tried to factory reset it on both partitions, but as soon as it boots and asks for a WiFi-network it can't find anything at all.
I hope somebody can help me.
There is the possibility that I did something wrong the last days and destroyed something because I probably tried too much compared to my knowledge (which isn't much at all), but maybe somebody can help me...
Thanks in advance!

im with the same problem

flash in edl mode