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Hi my MT11a SI (1255-1283) is on the list at http://talk.sonymobile.com/thread/38386 but when I try to upgrade via the Sony PC companion it claims I have the latest version.
I bought the cell with the version - 4.0.3 (4.1.A.0.562) and is still with this version. It's not rooted or modified or anything... don't know why can't update.
Can you help please?
Thanks
Solved! Go to Solution.
@ rupesh use SUS
Update Service (SUS)
http://www.sonymobile.com/gb/tools/update-service/
http://www-support-downloads.sonymobile.com/Software%20Downloads/Update_Service_Setup-2.11.12.5.exe
Alternatives on How to backup Xperias
http://talk.sonymobile.com/thread/36355
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unrelated topic, if you have some time please check this thread