wt19i mobile problem

[Ranipavan]

i've sony ericsson wt19i mobile.. yesterday i upgrade my mobile android 2.3 to android 4.0... but after some time my mobile is switched on and switched off continuously with in seconds ..it continuous regularly...what can i do ?

[Uliwooly]

re-install the latest update with SUS or PCC

Update Service (SUS)

PC Companion (PCC)

Bridge (for Mac)

Alternatives on How to backup Xperias

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