when I try to add account in Setting>account and sync
I will face this error: unable to establish a connection.
I tried many solution from XDA and other .
1. I tried Android 2.3 official and Android 4.0.4 official
and now the latest version of Android Jellybean 4.1.2
from here: JellyBean for Xperia U
with kernel Experimental
all of these versions have same problem and cannot connect to google
2. I tried clearing cache from Recovery
3. also "Reset app preferences" from Settings> Apps
4. also try to use the app: Hosts Editor
5. manually edit hosts from root>etc> hosts and added # to it
6. also tried to "Youtube trick" and try to sign-in from app: Youtube
7. for last step I used " Hotspot shield "
but non of above solution couldn't solve my problem
and just to say, the date of device is up-date , but I tried date at 2011 or 2015
I could connect to Google 2 weeks ago
and I had more than 3 or 4 account on my Xperia but suddenly this happen
don't know why
anyone can help me?
I need to add account to my Xperia U extremely hard