Sony z2 only red light flashing solution.
 

Make this jumper tested 100%.
https://drive.google.com/file/d/0Bwr...w?usp=drivesdk

can you pls repost picture?

wbr

http://uploads.tapatalk-cdn.com/2016...b6fcf5f917.jpg

أرسلت من D6503 بإستخدام تاباتلك

tnx bro...i have 2 xperia z2 redlight only...i apply the jumper now its working,,,

Know and let people know this is called helpful koukou

أرسلت من C6903 بإستخدام تاباتلك

hello, can you please help?

same problem, only red light, 3 red blinks when trying to turn on.
first i tried other software solutions from another forum, no chance.

then i tried hardware solutions. with the battery disconnected, and plugged the phone in charger. it showed on screen battery icon and charging for a few seconds and then it restarted. and nothing more.

then i tried your solution but i think i made a mistake. the phone will not blink 3 times red when battery connected and trying power button like before. and with battery disconnected, charger connected, lcd lights up but nothing is shown on screen now. i don't know what to do

Hello,
Can you provide me a pictures of motherboard and phone when it led up.
Regards.AHMED KOUKOU

أرسلت من C6903 بإستخدام تاباتلك

Oops,disconnect battery tell you post the pictures.
Do this fast as fast not damage the phone because it seems it is a short between gnd and vbat.

أرسلت من C6903 بإستخدام تاباتلك

After doing this battery is heating

Hello,
Upload pictures of your motherboard with jumper.
Your phone now have a short circuit remove the jumper after take pictures.
Regards,
AHMED KOUKOU


أرسلت من C6903 بإستخدام تاباتلك

sorry for bad image. this is the best i could take with another phone

at first try i didn't solder only the big contact, there was no connection with the small capacitor.

i had the connection redone by a professional guy and this is how it looks now

phone is not starting, when plugged in computer, pc companion recognizes the phone and gives me a message to disconnect and power on the phone but that doesn't help.

also, when holding power and volume up, there is no reset, it does not vibrate 3 times

http://imgur.com/RqMwwcd

i'm not sure why the image is not loading, here is the link http://imgur.com/RqMwwcd

<< more info >>

when plugged in the computer, nothing happens for about 1 minute, after that the lcd backlight lights up, but without image and a blink of red led lights up behind the speaker. after this the pc tries to install MTP USB Device, another 3-4 seconds and the phone restarts and the process begins again... lcd backlight lighting up, no image on display, red led, driver install in pc

the only way i can stop this process is to unplug the battery connector from the motherboard

It maybe battery voltage is too low.

أرسلت من C6903 بإستخدام تاباتلك

now it has been about 1 hour charging, still no response.

with battery disconnected from motherboard i tried to flash a ftf file and flashtool did it's job very well. so the software can be changed.

but still no response when trying to power on

You have a power supply.?

أرسلت من C6903 بإستخدام تاباتلك