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[Q] Help in downgrading Xperia SP

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samnaction
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Default [Q] Help in downgrading Xperia SP

my friend updated the Xperia Sp to 4.3 and now it is very laggy. He need to downgrade to 4.1.2. I need the ftf file link for downloading and flashtool link as my old flashtool dont have xperia sp driver.


As this phone is bought from customs I am not sure to which region it belongs. Do I need to exclude baseband when flashing? Do I need to skip final verification?.

The baseband version of 4.3 update is 8960-AAAAATAZQ-40031007-18
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Xperia U

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mrjraider
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See my tutorial in General section or via the link below in my signature.. All you need is explained in the tutorial
Good luck
My Device:
Phone: Sony Xperia SP
Model: C5303
Firmware: eXistenZ Ultra 4.0.0
Bootloaderstatus: Locked
Rootstatus: Enabled
SuperUserpatch: Installed


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