[Q] Xperia T Help with power issues - Sony Xperia T, TL, TX, V

Hi all, i recently was given an Xperia T by a friend who no longer uses it. Seems to have a bit of an issue that I'm hoping those with more experience in the mobile world can help with.
When i plug the phone in to charge, she flashes red led, Sony logo appears with a constant red led then the screen flashes and the phone repeats the exact same thing.
I have done the whole repair my phone through PC Companion, Built the ftf from the PC Companion and flashed using Flashtool but still no joy.
Also tried powering with the battery removed resulting in the same.
This has been tried on both the wall charger and PC Usb.
Here's the interesting part, i decided to hook the +5 and GND from a chopped usb cable directly to the battery while connected to mainboard (soldered to points on top of connector) and the phone boots to 4.3 with no problems. Obviously the battery shows 100% charge doing this and as soon as you unplug the power, phone powers down.
Any ideas as to what the problem may be. Battery seems a culprit but I'm not too sure since it doesn't fully boot with the battery disconnected.
Any help would be greatly appreciated.

markdoc666 said:
Hi all, i recently was given an Xperia T by a friend who no longer uses it. Seems to have a bit of an issue that I'm hoping those with more experience in the mobile world can help with.
When i plug the phone in to charge, she flashes red led, Sony logo appears with a constant red led then the screen flashes and the phone repeats the exact same thing.
I have done the whole repair my phone through PC Companion, Built the ftf from the PC Companion and flashed using Flashtool but still no joy.
Also tried powering with the battery removed resulting in the same.
This has been tried on both the wall charger and PC Usb.
Here's the interesting part, i decided to hook the +5 and GND from a chopped usb cable directly to the battery while connected to mainboard (soldered to points on top of connector) and the phone boots to 4.3 with no problems. Obviously the battery shows 100% charge doing this and as soon as you unplug the power, phone powers down.
Any ideas as to what the problem may be. Battery seems a culprit but I'm not too sure since it doesn't fully boot with the battery disconnected.
Any help would be greatly appreciated.
Click to expand...
Click to collapse
need new battery.

Related

[FIX] Revive phone from the drain of death

this is a problem on Xperia Devices (at least the ones with a sealed battery my x10 never had this).
This drain brick happens because the hell i know, but is phone bricked, dark, no light , no vibration, nada, its was a real brick.
how i fixed it? sort of i fixed my Xperia T had to provoke charging but the Z1 doesnt have a red blinking light after charging it for a while... but it does have a magnetic charging port!.
now to the instructions. following what i did to try and revive my phone.
1. try to charge the phone for an hour or so.
2. most like it wont charge but if you connect it to the PC, it will sort of react to it, just try unplugging and plugging the phone till it reacts, you may even leave it to charge there just in case (for about 10 mins if you want i leaved it for 3).
3. get a 2 AMP charger, the original one or a known brand charger like anker (i did it with my anker charger and it worked).
4. get or Use a magnetic cable/dock and connect it simultaniously with the usb cable on the PC. (and no the magnetic cable wasnt enough to jump charge the phone).
5. if the stimulation worked, it should be able to show a really dim red led, that means your phone is still alive
6.let it charge it will turn on alone.
7. smile and cry out of joy because your 500-700 dollar phone still works.
if it worked or you have any modifications on this method leave a comment and hit the THANKS button.
btw i turned on my phone and it had 1% that means it never charged until i jump charged it.
Interesting. For normal charging, will plugging the Z1 to the USB and magnetic ports simultaneously speed up charging as well?
Celestial Fury said:
Interesting. For normal charging, will plugging the Z1 to the USB and magnetic ports simultaneously speed up charging as well?
Click to expand...
Click to collapse
no you can't speed up charging. Charging speed is limited to cable quality, AC plug quality and software/hardware restrictions.
the USB on PC and magnetic cable combo for some reason helps to start the phone like you do when you want to recharge an depleted car battery.
It just open the circuit and let the phone charge again.
someone please confirm if this works for more than one person/situation.
Thanks for assistance btw, hopefully it works for all of us.
Nope doesn't work.
I tried it already.
Sorry guys.
Worked for me. Took some time before PCC registered it though.
help me please
Asadroid said:
this is a problem on Xperia Devices (at least the ones with a sealed battery my x10 never had this).
This drain brick happens because the hell i know, but is phone bricked, dark, no light , no vibration, nada, its was a real brick.
how i fixed it? sort of i fixed my Xperia T had to provoke charging but the Z1 doesnt have a red blinking light after charging it for a while... but it does have a magnetic charging port!.
now to the instructions. following what i did to try and revive my phone.
1. try to charge the phone for an hour or so.
2. most like it wont charge but if you connect it to the PC, it will sort of react to it, just try unplugging and plugging the phone till it reacts, you may even leave it to charge there just in case (for about 10 mins if you want i leaved it for 3).
3. get a 2 AMP charger, the original one or a known brand charger like anker (i did it with my anker charger and it worked).
4. get or Use a magnetic cable/dock and connect it simultaniously with the usb cable on the PC. (and no the magnetic cable wasnt enough to jump charge the phone).
5. if the stimulation worked, it should be able to show a really dim red led, that means your phone is still alive
6.let it charge it will turn on alone.
7. smile and cry out of joy because your 500-700 dollar phone still works.
if it worked or you have any modifications on this method leave a comment and hit the THANKS button.
btw i turned on my phone and it had 1% that means it never charged until i jump charged it.
Click to expand...
Click to collapse
Hello my friend I have Xperia Z1 and I fall into the Hard Brick Pc didn't recognized my phone but I put myself in the wall charger after a few hours LED red blinking you can post a picture for this solution because I did not understand exactly and thank you
pheel said:
Nope doesn't work.
I tried it already.
Sorry guys.
Click to expand...
Click to collapse
did the computer detected the phone but for a brief moment like trying to install the drivers?
Kirkymole said:
Worked for me. Took some time before PCC registered it though.
Click to expand...
Click to collapse
@Kirkymole;
can you share what you did exactly and what i can up to the guide?
and im glad that i could help you
momo-infos said:
Hello my friend I have Xperia Z1 and I fall into the Hard Brick Pc didn't recognized my phone but I put myself in the wall charger after a few hours LED red blinking you can post a picture for this solution because I did not understand exactly and thank you
Click to expand...
Click to collapse
as i told you on the PM write up how you bricked it exactly and what steps have you done so i can help you correctly.
i will post pictures of the procedure of how i did it when i get a few hours to edit and upload it.
Tried this trick last night. After 2 hours LED stopped blinking and became stable RED (no flashing). This is the first time in 1 month that LED stopped flashing, I was even able to Hold Power+Volume up button and it vibrated 3 times (nothing like that happened in the past). So it was a significant improvement from where I was 2 days ago. However, LED suddenly turned off and when I connected it to charger again it started to blink again. Buttons do not respond again.
Little info from the past:
I bricked my Z1 when I flashed .290 ROM. Left it on charge for 2 days nothing happened, flashtool would not recognize it and kept saying USB debugging off. Then I decided to open back cover and remove the battery so it could reset. That didnt resolve the issue and i just gave up.
Video instruksion would be very helpfull maybe
Asadroid said:
did the computer detected the phone but for a brief moment like trying to install the drivers?
Click to expand...
Click to collapse
Yes. But the computer simply recognised it as a normal "unknown" usb device with usb debugging disabled.
--
ruinkhan said:
Tried this trick last night. After 2 hours LED stopped blinking and became stable RED (no flashing). This is the first time in 1 month that LED stopped flashing, I was even able to Hold Power+Volume up button and it vibrated 3 times (nothing like that happened in the past). So it was a significant improvement from where I was 2 days ago. However, LED suddenly turned off and when I connected it to charger again it started to blink again. Buttons do not respond again.
Little info from the past:
I bricked my Z1 when I flashed .290 ROM. Left it on charge for 2 days nothing happened, flashtool would not recognize it and kept saying USB debugging off. Then I decided to open back cover and remove the battery so it could reset. That didnt resolve the issue and i just gave up.
Click to expand...
Click to collapse
Exact same thing happened to me. "USB debugging off"
All I did was plug in the magnetic connector, then with the PC turned on and Pc companion running I plugged in the USB, it took about 20 minutes to recognise it but once it did, I unplugged it, left it on charge via the magnetic plug for around 5 hours and although the charging symbol never appeared it booted into recovery the normal way (I did that just to see what would happen) then restarted the phone via Cwm and it worked normally from then on.
Kirkymole said:
although the charging symbol never appeared it booted into recovery the normal way .
Click to expand...
Click to collapse
BY saying "Charging Symbol never appeared", do you mean LED was not red and turned off?
ruinkhan said:
BY saying "Charging Symbol never appeared", do you mean LED was not red and turned off?
Click to expand...
Click to collapse
The symbol that appears on the screen.
I also kind of used this method.
I directly plugged in, in these steps.
1) Plug in magnetic charging dock with 1A charger (Plugged USB into charger)
2) Plug in USB with 2.1A charger (Plugged USB into charger)
Dim-ish red light popped up and the phone began booting.
Plugging into the phone for me wasn't as effective as plugging into the charger as I left it for a while and nothing happened but upon plugging USB into my single dual port charger this method worked to get my phone onto the charging screen, Android L
Had to plug the USB in and out a few times, not too many times, but eventually it booted up to the charging screen.
Be patient is the key I suppose?
For me worked with magnetic and usb 1A charger! Thanks!

[Q] Flashing Red LED, phone will not boot but I can flash firmwares, help please :*

My Xperia Z will not boot; the red LED flashes three times when I attempt to turn it on. I have tried resetting using the power button and volume up (most of the time it does not produce a response, but if it is plugged into my computer it will, where the LED will only turn off for maybe two seconds before coming back on), I have tried unplugging the battery (I have done this multiple times and on two occasions left it unplugged for over a week), I have tried flashing multiple different firmwares through Flashtool (they flash successfully but the phone still does not boot) and I have tried charging it for days and even a week one time with different chargers, but it still refuses to turn on.
This issue first occurred after I replaced the antenna flex cable and the buttons/microphone flex cable due to accidentally breaking them whilst replacing the LCD. I think this issue may have started because the battery was only on 7% when I disconnected it to replace the two parts, but I fail to see how this would discharge the battery so much? I am willing to purchase another battery if I can be certain that it will fix this issue.
Unlike some on this forum in other threads I have read through, the Sony logo does not come up at all, the screen is black the entire time. Also, when plugged into my Windows 8.1 laptop the computer tries to install drivers and says that it does not recognize the device "USB device not recognized" "The last USB device you connected to this computer malfunctioned, and Windows does not recognize it". When now attempting to put into flashmode connecting it to a USB 2.0 port the phone does not respond for five seconds, then the LED flashes green then red immediately after, before the LED goes off again, then the firmware is flashed (successfully). Attempting to put the phone into flashmode when connected to a USB 3.0 port will only result in the LED turning red.
Thanks for your time, this is really frustrating me, and any help would be greatly appreciated
Help please, anyone?
Sometime i wake up and my phone is turned off , when i try to turn it on it flashes 3 red lights , charging would make it turn on , so 3 red flashes is from battery and since you can successfully flash frimware than it is not bootloader problem , it is either battery or something else is destroyed inside your phone , first try another ftf
elias234 said:
Sometime i wake up and my phone is turned off , when i try to turn it on it flashes 3 red lights , charging would make it turn on , so 3 red flashes is from battery and since you can successfully flash frimware than it is not bootloader problem , it is either battery or something else is destroyed inside your phone , first try another ftf
Click to expand...
Click to collapse
Thanks, I have tried two alternate ftf files with no luck, but I will try a third and see how that goes Yeah, it's okay if the current battery is faulty and buying a new one that will fix the problem, but I don't want to waste money if that isn't the problem
Do you have 12v car charger. Try to charge with it. Helped to wake up my phone last week after too much drain to the battery
My phone was not entering flashmode just before when I was trying to flash a different ftf file, so I wondered what would happen if I disconnected the battery, and then tried it. I first just connected the phone without the battery and got a solid blue light from the LED. Then when I tried entering flashmode without the battery connected it worked! So since I can successfully flash ftf files without the battery connected I'm assuming the issue is the battery, or could it possibly be the part of the motherboard which the battery connects to like this http://forum.xda-developers.com/xperia-z/help/hardware-fix-xperia-z-charging-booting-t2760911 ?
indycar said:
Do you have 12v car charger. Try to charge with it. Helped to wake up my phone last week after too much drain to the battery
Click to expand...
Click to collapse
I do have one somewhere, but I think it's broken The issue must be related to the battery or battery connection now, so I need to figure out which of the two it is before I take any further steps to fix it?
So I ordered a replacement battery and when first connected the phone would not turn on. After charging for a little while the LED went red, and the phone now vibrates when I attempt to turn it on and also when I try to reset it. So the vibrations feel correct (it vibrates once when turning on, once when volume up and power have been held for five seconds, and three times when volume up and power for ten or so seconds), but it still refuses to boot. I have tried three different chargers for extended periods of time, disconnecting and reconnecting the battery multiple times and have flashed a different .ftf file, but all to no luck. My Windows 8.1 laptop computer still says that the USB device is not recognised and nothing seems to be progressing
Is there anything more that I can do from here to try to fix it? Anything would be so greatly appreciated
Bump :fingers-crossed:
Mainboard may be broken.
I had this problem after flashing a wrong recovery but the symptoms were the same. I sent it to a repair center and they changed my mainboard and it worked fine so it could be possible that you've broken your mainboard in a way. (The reparation bill was paid by the warranty *horray*)
I hope you can understand what I'm trying to say.
Off topic: yay, it snows!

[Q] Xperia Z Strange Behaviour with Battery connected

Hi XDA community, i open this thread for know if anyone have a similar issue.
When i connect the USB charger to my Xperia Z, nothing appear, no led and no vibration, seems totally dead, this occur with an original wall charger or with a PC-USB connection, but just when i disconnect the battery of the phone with the USB cable connected to USB PC or wall charger, the red led blink 2 times and become blue if i press immediatly vol+ or become green if i press immediately vol-, obviously immediately after battery disconnection.
With the battery connected no signs of life, seems that if the battery is connected the USB connection refuse to activate, but the strange thing is that without battery i'm able anyway to flash any firmware without problem, but after a correct flashing without error no signs of life and no boot.
I think there something wrong with the battery management, but the battery works 100% because i tested with other phone and work, and i tried to use other working battery but always same problem.
Anyone have this issue or know something about it?

Flashing Red Light ONLY when charging, phone will also not boot up!

My z3 compact will not boot up. Trying to hold the power button will not start up the phone, I then plugged in the charger for it to charge and it is constantly blinking a red light. I left it to charge for a while (about 1-2 hours) without any disruption and when I tried to hold the power button to boot it up again with the charger still on it I get this picture of a low battery.
I have tried the method of taping the power button down while having it charge to try to boot up the phone, but that does not seem to work? Any suggestions on what I should do? also I do not have warranty on the phone.
Check the indicator located in the bottom flap (where your sim card is). If its not white then water came in your device. If the indicator is white then try connecting your phone to pc and if the pc recognized it than you may be able to repair your phone with pc companion
Pluslex said:
My z3 compact will not boot up. Trying to hold the power button will not start up the phone, I then plugged in the charger for it to charge and it is constantly blinking a red light. I left it to charge for a while (about 1-2 hours) without any disruption and when I tried to hold the power button to boot it up again with the charger still on it I get this picture of a low battery.
I have tried the method of taping the power button down while having it charge to try to boot up the phone, but that does not seem to work? Any suggestions on what I should do? also I do not have warranty on the phone.
Click to expand...
Click to collapse
It looks like sudden death.
Take a look at this thread at the sony forum.
https://talk.sonymobile.com/t5/Xperia-Z3-Compact/Sudden-Death-of-Sony-xperia-Z3-Compact/td-p/877345
Dear, with the Companion tool you can recover it.
Flashing Red Light ONLY when charging, phone will also not boot up
I i had the same issue these past few days, and i searched almost every part of the internet to find a solution for this problem. Some solutions are so complicated that only technicians only understands, did all the steps on hard reset and etc. I also tried using xperia companion but it didn't work for me at first. my batt died when it was 40% more or less so i assumed that it has battery when it died, as i said earlier i tried using xperia companion but it failed for me. fortunately for me i had an extra xperia z3 so i decided to use the batt of the functioning xperia to my broken xperia z3 that has 100% battery, then i tried using the same method softwre repair on my phone, after a few hours it WORKED FOR ME. I tried opening it and its back to normal.
I hope it worked for you guys, i just wanted to share this because i didn't find any working solutions on the internet.
i had same problem with my z1c is the battery very low (during boot the battery also when plugged isn't in charge) i've solved this with orrible manual charging the battery with 5V directly on battery pins but now it works!

[Q] Strange (hard?) brick

Hi,
After many years of enjoying this magnificent phone the disaster came.
The phone discharged overnight and switched off. In the morning I had to send some texts, so plugged the wall charger into USB socked (a weak one ~500mA), after few moments a charging icon appeared and stated that battery has 1%. Ok, I really had to send those messages: I've pressed the power button and phone started to boot.
Sony logo: OK, purple wave, OK...
After 10-20 seconds it suddenly switched of, red LED started to blink.
I thought: OK, system startup needs a lot of power, maybe a charger is too week to keep up.
So I left phone for few more minutes to charge, but without success.
That was the last time I saw screen was on.
Phone is a C6903, running on a stock, rooted 14.6.A.1.236 with the recent XZRecovery.
Bootloader has been unlocked.
For the moment I've tried everything but opening back and doing the testport-trick.
When I connect the power only red led blinks (I left the phone charging overnight, no change).
When I try to enter flash mode: nothing happens but red blinking light.
When I try to start phone nothing happens at all.
But there is still hope:
I connected the phone to 2A charger using a magnetic cable.
Then I've connected normal USB cable to my PC, strange thing started to happen:
When I pressed volume Up (even after few minutes of connecting power+usb) the phone suddenly jumped to fastboot mode (blue led, it was discovered by PC, fastboot terminal was functional)
When I press power button, phone vibrates for a second, then the led pattern changes to: 1s red followed by 0.1s green, then long red, then it repeats...
I'm still unable to enter any recovery nor flashmode...
I'd really appreciate any help, have you got any ideas left how can I revive my phone?
Qba_S said:
Hi,
After many years of enjoying this magnificent phone the disaster came.
The phone discharged overnight and switched off. In the morning I had to send some texts, so plugged the wall charger into USB socked (a weak one ~500mA), after few moments a charging icon appeared and stated that battery has 1%. Ok, I really had to send those messages: I've pressed the power button and phone started to boot.
Sony logo: OK, purple wave, OK...
After 10-20 seconds it suddenly switched of, red LED started to blink.
I thought: OK, system startup needs a lot of power, maybe a charger is too week to keep up.
So I left phone for few more minutes to charge, but without success.
That was the last time I saw screen was on.
Phone is a C6903, running on a stock, rooted 14.6.A.1.236 with the recent XZRecovery.
Bootloader has been unlocked.
For the moment I've tried everything but opening back and doing the testport-trick.
When I connect the power only red led blinks (I left the phone charging overnight, no change).
When I try to enter flash mode: nothing happens but red blinking light.
When I try to start phone nothing happens at all.
But there is still hope:
I connected the phone to 2A charger using a magnetic cable.
Then I've connected normal USB cable to my PC, strange thing started to happen:
When I pressed volume Up (even after few minutes of connecting power+usb) the phone suddenly jumped to fastboot mode (blue led, it was discovered by PC, fastboot terminal was functional)
When I press power button, phone vibrates for a second, then the led pattern changes to: 1s red followed by 0.1s green, then long red, then it repeats...
I'm still unable to enter any recovery nor flashmode...
I'd really appreciate any help, have you got any ideas left how can I revive my phone?
Click to expand...
Click to collapse
Hi, this just happened to me, my phone has been dead for over 4 weeks with just the red led blinking. i tried the test point thing with no success at that point I gave up but last week i decided to get a new genuine battery and it worked it booted up. Your battery is just completely dead thats why it won't boot up!
tilakpatel22 said:
Hi, this just happened to me, my phone has been dead for over 4 weeks with just the red led blinking. i tried the test point thing with no success at that point I gave up but last week i decided to get a new genuine battery and it worked it booted up. Your battery is just completely dead thats why it won't boot up!
Click to expand...
Click to collapse
Thanks for the info! I've ordered a replacement battery already.
I'll open my phone today and measure all voltages. I'll keep you updated.
Good luck
tilakpatel22 said:
Good luck
Click to expand...
Click to collapse
Yup! That was it (at least I think so, I don't have new battery yet)
The Al part of positive battery terminal was broken: I have no idea why, maybe because of age, oxidation and high currents that were drained from this LiPo cell...
Anyway I've managed to temporarily join two broken Al parts, kernel and recovery booted successfully.
Now I need to wait for a replacement battery.
Phone is alive again, thanks tilakpatel for help!
But the magnetic cable trick might be useful in other hardbrick cases: just connect magnetic charger, connect normal USB cable to PC and hold volUp. Phone should be able to enter fastboot even with completely drained battery...
Qba_S said:
Yup! That was it (at least I think so, I don't have new battery yet)
The Al part of positive battery terminal was broken: I have no idea why, maybe because of age, oxidation and high currents that were drained from this LiPo cell...
Anyway I've managed to temporarily join two broken Al parts, kernel and recovery booted successfully.
Now I need to wait for a replacement battery.
Phone is alive again, thanks tilakpatel for help!
But the magnetic cable trick might be useful in other hardbrick cases: just connect magnetic charger, connect normal USB cable to PC and hold volUp. Phone should be able to enter fastboot even with completely drained battery...
Click to expand...
Click to collapse
no problem

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