Sony Xperia tx update to Jeally Bean

[Lasha Edilashvili]

Hello!
My tx's current OS is 4.0.4 and it shows thac there is new system update available. But I can't update it. When I'm trying to update using PC companion it shows: "The phone contains modified software, that cannot be updated". Could someone help me ?

 

[wizzrah]

Hello!
My tx's current OS is 4.0.4 and it shows thac there is new system update available. But I can't update it. When I'm trying to update using PC companion it shows: "The phone contains modified software, that cannot be updated". Could someone help me ?

Is your phone stock or rooted?

 

[Lasha Edilashvili]

It's stock. I'm the first owner.