Xperia sp won't update

[RobGee789]

Hey guys I bought my wife an xperia sp a few months ago and it came unlocked on 4.1.2 and I tried to update but it kept saying it was up to date and even now it's still on 4.1.2 but everything says it's up to date but it obviously isn't, is there a way I can get this update with out having to wipe the phone

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[anon(5816156)]

No. You can flash one but that includes wiping the phone. So no.

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