for those who know how Android works under the hood, we are 2, maybe 3 people having this issue on a Galaxy S2 GT-I9100:
whatever we do (wipe, flash different roms from 4.1.2 to 4.2.2, different kernel including the latest dori 9.13), ...
I know, that's why I was a bit sad when I didn't receive any explanations from them... just a "Quality pass" form signed by the engineer.
but I have requested it ! so hopefully it will arrive and hopefully it won't be some random generic stuff li...
I am having the exact same problem.
I was about to open a new thread when I found this...
I have my S2 on stock XWLSN and Dorimanx kernel with 1900mAh Anker battery.
Screen on time for me is good, over 4 hours. But when my phone is on standby, ...
I try it zio, but the problem is still here
Inviato dal mio GT-I9100 con Tapatalk 2
I had the same issue.. so now I can help :)
install rom customiser from google play,
then launch it and go to Updates and download+install 7.02 Stock T...
I'm not a repair center :/
I have no idea what they did and how much would it cost... ask them, maybe they know type of defect and can give you a quotation.