Database Develop

[Q] Xperia z won't Boot but weird situation only for XPERIA GURU

Hi wonderful XDA forums, i'm an italian user, then sorry for my bad english.
I'm in a very strange situation, the new year starts strange for me.
Yesterday trying to short circuit the resistor to make the vibration works again( i read on internet and i see that works with other Xperia Z), the phone power down and won't boot anymore.
The strange things appears now, when i plug the usb cable for charge the phone, nothing appear, no LED, but if i disconnect the battery with the USB cable plugged-in the led blink red one time then blink a second time and become blue, and if i press volume down immediately afer the first led red blink, the led become green for 1 sec and the phone go in Download Mode.
When i use original Sony charger same situation, but when i disconnect the battery the led blink red 1 time and stays on and the phone shows SONY logo but immediately reboots go in a bootloop like this, red 1 time and stays on and the phone shows SONY logo but immediately reboots, i noticed that if i press power button several times after the SONY logo i can see the low battery icon but if stop to press the button the screen goes off and restart the bootloop describes upper.
I try several wall charger, and several cables oviusly the original SONY USB cable and wall charger, but nothing change, the battery is new and works because i test it with another phone.
Connecting to PC i can flash rom ftf with FlashTool without errors, but at the end of the process the phone won't boot, and won't charge same problems.
I noticed that the phone can't be recognise if the battery is connected, just when i disconnect the battery the phone go in fastboot mode or in download mode, for example when i flash a new ROM with flashtool when ask to connect the phone i must disconnect the battery and press volume down (in this way the PC recognise the phone, and the phone go in download mode) then i can connect or left disconnect the battery, anyway the flash operation would be OK but nothing change.
Sometimes when i connect the phone to PC the system ask me for QHSUBS_DLOAD drivers and sometimes the phone is recognised with SOMC FLASH....
I know this is a very bad situation, only Xperia Guru's can help me, but probably this phone is dead.
But I trust in XDA Community and i know that is the only place i can get serious and valid reply
Regards Samuel

this sounds exactly like what happened to me
This is extremely weird this happened on the same day... ?

Hi friends, welcome to soft brick world i think.. But i m happy and unhappy that i am not the only one in this weird situation..:silly:

"short circuit the resistor to make the vibration works again" thank god I didn't try it.. otherwise I'd end up with dead device

Xperia Z won't boot red led

Hi! I have a Xperia Z on the rom by Rajeev and Hodor kernel with Drm keys mod, unlocked bootloader c6603. I had my phone with 1% batery, i arrive home and the phone was turned off, i holded the power button and red led blinks(this is normal when you have your phone fully discharged) i plugged into my computer fot 5 minutes nothing happened only red led stayed on. I unplug the phone the red led still there, after 5 minutes red led dissapeared. i plugged into the charger and noting happend only red led, i unplugged it and red led is still on. What can i do? adb fastboot not working and volume up +power the same. What is the problem, i'm a little bit scared. Sorry for my english. Thanks.

115dan said:
Hi! I have a Xperia Z on the rom by Rajeev and Hodor kernel with Drm keys mod, unlocked bootloader c6603. I had my phone with 1% batery, i arrive home and the phone was turned off, i holded the power button and red led blinks(this is normal when you have your phone fully discharged) i plugged into my computer fot 5 minutes nothing happened only red led stayed on. I unplug the phone the red led still there, after 5 minutes red led dissapeared. i plugged into the charger and noting happend only red led, i unplugged it and red led is still on. What can i do? adb fastboot not working and volume up +power the same. What is the problem, i'm a little bit scared. Sorry for my english. Thanks.
Click to expand...
Click to collapse
Did you left your phone whilst reinstalling any ROM or flashing anything?
I can suspect that you;ve bricked your device.
You can try to stick POWER BUTTON + VOL. rocker and leave it for entire night. I have read that some had fixed this issue by the way which I'm writing now, but I'm not sure if it will work to you.
You can even leave your phone connected to charger for some while.
If it will not work either - I have seen some where in this forum thread in which were specified how to unbrick XZ with disassemblying it

LaurynasVP said:
Did you left your phone whilst reinstalling any ROM or flashing anything?
I can suspect that you;ve bricked your device.
You can try to stick POWER BUTTON + VOL. rocker and leave it for entire night. I have read that some had fixed this issue by the way which I'm writing now, but I'm not sure if it will work to you.
You can even leave your phone connected to charger for some while.
If it will not work either - I have seen some where in this forum thread in which were specified how to unbrick XZ with disassemblying it
Click to expand...
Click to collapse
I managed to get it running now wi fi mobile data doesn't work, and power button works to lock the screen but doesn't work to wake. I'm flashing .292 via flashtool, i hope all my problems will be solved. Before they worked very well.

Xperia Z bricked issue

Hello, my xperia z bricked suddenly while I was gonna flash a stock rom with flashtool (I used flashtool many times before). I just turned off my phone and then prepared flashtool to flash stock rom (kitkat). When flashtool said to connect the phone in flashmode, I just press the volume down button (while turned off) and connect the phone with pc. But nothing happens then. Phone doesn't response. Pc/flashtool couldn't detect my phone and also my phone doesn't response. No led light, no vibrations (holding volume up+power button for 5/10 seconds), no led indicator while charging. Nothing. Just died suddenly :crying:
Then I dissembled my phone and disconnected the battery connector from motherboard. Then I connected it again and plugged my phone to wall charger and charge my phone (no led light appeared that time while charging, phone just heated up) around 20+ hours. After that I got a red led light whenever I plug my phone into pc or wall charger. But the red led turns off after around 30 seconds. From then, whenever I connect the phone to wall charger or pc, red led appears and after around 30/60 seconds, it disappears again. I don't understand what does that mean So,
1. is it hard bricked or soft bricked?
2. is there really any chance to fix that problem by myself? I unlocked bootloader so there is no chance that sony will fix that 'brick' phone.
Any help will be highly appreciated.
Thanks guys.

You can try s1tool to flash your Bootloader.... Search the forum, u can follow the tutorial.... There might be a hope
Sent from my C6602 using xda app-developers app

just try to have the usb cable conected to your pc and hold the power button and volume up till it makes a vibration ,and then hold volume down even if it does not vibrate it should still conect to flashtools .

[Q] Blue LED. Xperia Z wont turn on no matter what..

My Xperia Z will not turn on. I have left it plugged in for over an hour. When I plug it in a blue LED comes on (never seen this before on my Xperia Z). When I hold down and the power button and plug it in, it flashes green for a brief second and the LED turns off. Otherwise the blue LED stays on.
I tried to flash it using flashtool but I can't even boot into flashmode or fastboot or anything.
Anyone have any suggestions?

drdoomed said:
My Xperia Z will not turn on. I have left it plugged in for over an hour. When I plug it in a blue LED comes on (never seen this before on my Xperia Z). When I hold down and the power button and plug it in, it flashes green for a brief second and the LED turns off. Otherwise the blue LED stays on.
I tried to flash it using flashtool but I can't even boot into flashmode or fastboot or anything.
Anyone have any suggestions?
Click to expand...
Click to collapse
try pc companion repair

Charging problem

Hi,
I have a new z1, yesterday when i put it on charge nothing happains, then i use the vol + power key the red light blinks but still not screen doesn't get on, i put it on charge for several hours still no use, the blank screen, how to fix it?
thx

Does your computer recognize your phone?
Can you flash an ftf file for example?