[SOLVED] HELP! Xperia T does not boot after JB update

gabzki · Feb 2, 2013

I updated my Sony Xperia T to 4.1.2 a few hours ago via PC Companion 2.1. Everything was good until I restarted my phone and it got stuck in the screen with white triangle and blue bar (after the Sony logo). I waited but nothing happens.

I've tried to force restart using power button + volume up (switching off using the power button alone doesn't respond) several times but it still get stuck in the same screen. I was able to repair it using PC companion and SEUS (both were successful) but when I turned on the phone the problem still persists. Restarted several times but to no avail. I cannot use my phone right now.

What seems to be the problem?

My phone is less than a week old, unlocked, stock and not rooted.

I will try to flash 4.0.4 back using flashtool coz it was working fine before the JB update.

gabzki · Feb 2, 2013

gabzki said:
I updated my Sony Xperia T to 4.1.2 a few hours ago via PC Companion 2.1. Everything was good until I restarted my phone and it got stuck in the screen with white triangle and blue bar (after the Sony logo). I waited but nothing happens.

I've tried to force restart using power button + volume up (switching off using the power button alone doesn't respond) several times but it still get stuck in the same screen. I was able to repair it using PC companion and SEUS (both were successful) but when I turned on the phone the problem still persists. Restarted several times but to no avail. I cannot use my phone right now.

What seems to be the problem?

My phone is less than a week old, unlocked, stock and not rooted. I will try to flash 4.0.4 back using flashtool coz it was working fine before the JB update.

Update: I flashed .233 using flashtool but still the same. Is my phone bricked?

baz@gmx.co.uk · Feb 2, 2013

gabzki said:
Update: I flashed .233 using flashtool but still the same. Is my phone bricked?

I have read that this process can take some time, flash a rom and give it at least upto 45 minutes, if it is still not working maybe you have a more serious problem.

cartmenicus · Feb 2, 2013

Re: [Q] HELP! Xperia T does not boot after JB update

Flash a 303 firmware in flashtool instead of pc companion it never gets stuck for me weird some people have these problems

Sent from my LT30p using xda premium

segataj · Feb 2, 2013

Any news on that? i have exactly the same problem after flashing with PCCompanion.

crazymister · Feb 2, 2013

Re: [Q] HELP! Xperia T does not boot after JB update

segataj said:
Any news on that? i have exactly the same problem after flashing with PCCompanion.

Just leave it be, plugged to the charger. I've heard of cases were it too about 3 hours to compete

Did I help? Please press the thanks button

Sent from my Xperia T (LT30P) using XDA premium

mpiekp · Feb 2, 2013

Re: [Q] HELP! Xperia T does not boot after JB update

I had this before, when going from 303 to 195.
Flash back the exact last full firmware you had prior to jb, if it was custom use the ftf the Rom is based on, it should boot, reset, then do the update again.
It took 35 mins to complete, I thought it was dead, once you get that screen, do not interrupt it or it can't complete and you need to start again.

Sent from my LT30p using xda app-developers app

gabzki · Feb 2, 2013

OK, I was able to fix it and replicate it once but there's no certainty that it will not happen again once I restart the phone.

Here's what I did...

Since .233 did not work, I tried flashing the older firmware which is .303 - It worked!

I tried flashing .233 again to test if it has something to do with the firmware but it flashed without any problems!

I checked with PC companion to update to 4.1.2 but no update is available (since I used the UK firmware) so I flashed using the ftf file (.489) found here - it successfully flashed to 4.1.2!

HOWEVER, when the phone restarted (after inserting the sim card) and that's when the problem happened again! It stuck on the same screen. That's how I first encountered the problem earlier - the first reboot after updating caused for the phone to get stuck to that screen with white triangle and blue bar.

So I repeated the same process again (flashed .303 but skipped .233) then flashed .489 successfully but I DECIDED NOT TO RESTART THE PHONE this time. I'm not an expert so I don't know what's the cause of this??

My phone is working fine right now. Probably I will try to reboot the phone after 3 days to see if the issue comes back again.

gabzki · Feb 2, 2013

segataj said:
Any news on that? i have exactly the same problem after flashing with PCCompanion.

Did the problem occur right after you updated? Or when you rebooted the phone for the first time after the update?

Mine was ok whether I updated via PC Companion or flashtool - the problem only happened when I restarted the phone for the first time after the update. So I tried not to reboot the phone on my third attempt. It's working fine now on 4.1.2. (as long as i don't restart it probably).

You can try the process I explained above and let us know!

c1-p8 · Feb 2, 2013

gabzki said:
Did the problem occur right after you updated? Or when you rebooted the phone for the first time after the update?

Mine was ok whether I updated via PC Companion or flashtool - the problem only happened when I restarted the phone for the first time after the update. So I tried not to reboot the phone on my third attempt. It's working fine now on 4.1.2. (as long as i don't restart it probably).

You can try the process I explained above and let us know!

I've the same problem: https://www.dropbox.com/s/inagohwprijvc31/2013-02-02 10.27.02.jpg

I don't want void warranty... what can I do?

dkownacki · Feb 2, 2013

The solution for white triangle is, like DooMLoRD said, formating internal storage

Monipeev · Feb 2, 2013

dkownacki said:
The solution for white triangle is, like DooMLoRD said, formating internal storage

When more accurate to format the internal card?
Give me step by step if you think you know the cause of the problem.
Thank you in advance.

Samper27 · Feb 3, 2013

Fix to get JB Running

I had the exact same problem, a white triangle after flashing the JB update.

Here's how I solved it:

1. Flash a .303 stock firmware
2. Turn on your phone without Sim card and without MicroSD
3. Complete the Setup Guide (just pass the 7 steps).
4. Get Ready to flash the JB update (.489 I think)
5. EXCLUDE BASEBAND BEFORE FLASHING IT
6. It should work now (is working perfectly on my Xperia T since yesterday)

If this helps you, hit the thanks button, I'm trying to build a reputation here

gabzki · Feb 3, 2013

Samper27 said:
I had the exact same problem, a white triangle after flashing the JB update.

Here's how I solved it:

1. Flash a .303 stock firmware
2. Turn on your phone without Sim card and without MicroSD
3. Complete the Setup Guide (just pass the 7 steps).
4. Get Ready to flash the JB update (.489 I think)
5. EXCLUDE BASEBAND BEFORE FLASHING IT
6. It should work now (is working perfectly on my Xperia T since yesterday)

If this helps you, hit the thanks button, I'm trying to build a reputation here

I mentioned in my process above that I will wait for 3 days before restarting the phone but I did it anyway to test your process. It didn't work for me.

I followed ALL the steps but after the phone restarted (when sim card was inserted) it got stuck on the same screen again. Have you tried rebooting your phone?

Looks like I'm gonna stay with .233 for now until this gets resolved.

gabzki · Feb 3, 2013

dkownacki said:
The solution for white triangle is, like DooMLoRD said, formating internal storage

How do we do that in JB?

I noticed that after I flashed the .303 firmware the phone asks that internal storage be formatted (there's a notification in the notification bar). So I did that. But after updating to 4.1.2 the problem repeats again after the first reboot (stuck in the screen with white triangle).

gabzki · Feb 3, 2013

Sounds like my problem has been solved. :good:

I repeated the process by Samper27 (except that I didn't remove the sim card; I don't have an sd card).

After updating to 4.1.2 I cleared the internal storage via the settings and performed a factory data reset - my phone restarted without any problems. I could switch it on and off now without getting stuck in that screen.

Samper27 · Feb 3, 2013

Great!

gabzki said:
Sounds like my problem has been solved. :good:

I repeated the process by Samper27 (except that I didn't remove the sim card; I don't have an sd card).

After updating to 4.1.2 I cleared the internal storage via the settings and performed a factory data reset - my phone restarted with any problems. I could switch it on and off now without getting stuck in that screen.

Glad to hear that! I don't know the change with the SIM Card, for my it worked like that and I have turned off and on several times. After doing that I lost my APN configuration but a quick google search and BAM, everything working smooth and battery life is a little better than before.

You should update the post to let everyone know that the problem is solved

If this helps you, hit the thanks button, I'm trying to build a reputation here

gabzki · Feb 3, 2013

Samper27 said:
Glad to hear that! I don't know the change with the SIM Card, for my it worked like that and I have turned off and on several times. After doing that I lost my APN configuration but a quick google search and BAM, everything working smooth and battery life is a little better than before.

You should update the post to let everyone know that the problem is solved

If this helps you, hit the thanks button, I'm trying to build a reputation here

Yup, I just updated the thread title.

SE-ARC · Feb 3, 2013

gabzki said:
Sounds like my problem has been solved. :good:

I repeated the process by Samper27 (except that I didn't remove the sim card; I don't have an sd card).

After updating to 4.1.2 I cleared the internal storage via the settings and performed a factory data reset - my phone restarted without any problems. I could switch it on and off now without getting stuck in that screen.

I have the same problem with this white triangle. The only firmware where the phone starts is .303. All other firmware doesn' start anymore.

I tried the process by Samper27, but it doesn't work for me. Could you please tell me which firmware of .303 and JB 4.1.2 you used? And what do you mean with factory data reset (Hold down the power button and volume up for 10 sec?)

Thanks

more.darshan · Feb 3, 2013

Even I gotta same problem. But my phone's screen is now blank, no LED no warning Triangles

[SOLVED] HELP! Xperia T does not boot after JB update

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