cannot install Android latest version

[drsthakur]

cannot install Android latest version even after downloading 123mb file....it heppens time and again from last 2weeks or more.......please help....mobile experia xa1....

[Uliwooly]

@drsthakur

Try with XC and report back

Xperia Companion (XC)

Software Repair Guide

Alternatives on How to backup Xperias

http://talk.sonymobile.com/thread/36355