Help Sony Xperia Pro cant start

[yogsothoth2099]

Hi, i have a xperia pro and when i turn it on , it freezes on the start screen that says sony ericsson and then resets and freezes there again, and starts that annyoing loop, i cant hard reset and i changed the battery, could someone tell me if is a software malfunction or a hardware malfunction??tnx a lot

 

[El Presidente]

You could try to flash an ftf file via flashtool?

Info and a link to some flashtool instructions here: SE Xperia Pro - XDA-Developers

Alternatively, what about a repair install via Sony PC Companion/SEUS?