phone can't handle OS 3.0.1, how to undo the upgrade?

[#1]

my computer updated my phone to OS 3.0.1, and my phone won't turn on any more, any suggestions how to 'downgrade' the software systems on an xperia x10a phone?

[Nabeel]

hi , suggest you to re run the update

Update/Repair your phone via PCC

PCC (PC COMPANION) – Repair your software with this .First do the setup without connecting your mobile to pc.(only connect when you are asked to). Do it as follow >> PCC > SUPPORT ZONE> SOFTWARE UPDATE> REPAIR SOFTWARE (written with blue) 

PC Companion http://www.sonymobile.com/global-en/tools/pc-companion/

[#3]

I can't find the repair software anywhere, can you send me the link?

[#4]

would formatting my sd card help?

[suze]

Try using Sony Update Service downloadable from here....

Update service - Sony Smartphones (UK)

[Nabeel · Accepted solution]

no no no ,,, use the link given by SUZE.

don't format your sd card

sorrry for replying late

[#7]

thank you so much! It's working now, at least, sort of. It still reboots itself sporadically..but still, at least it turns on now! thanks for the help