Cannot install jelly bean OTA update

[JohnFlore]

I have my rooted Xperia P running 4.0.4 (6.1.1.b.1.75) and I've received an OTA update to Jelly Bean 4.1 in the notifiation center so I download the firmware, after that I can't install it. It says "the software update could not be installed" Please HELP..

[Uliwooly]

turn on your wifi and try again

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[Uliwooly]

you can update with

PCC or SUS on a PC or Bridge on a Mac

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

for future reference

Alternatives on How to backup Xperias

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

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[JohnFlore]

Do you mean I have to download the firmware again?

[Uliwooly]

yeah, perhaps there was an issue while downloading the firmware,  make sure to backup everything

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[surajrv6]

I am facing the same problem, mine is xperia m ive also rooted my phone... and i cannot install the downloaded firmware OTA