New answers tagged unrooting
On a rooted device, you can use BootUnlocker to re-lock the bootloader without using fastboot. You can also use it to unlock the bootloader again without wiping data. I use it to keep my bootloader locked most of the time, but unlock it prior to installing a system update or doing anything else that might require re-rooting via fastboot flash.
You can try repair option in Sony PC companion or SUS(Sony Update Service). If none of this works try the steps given below Download the ftf file from here. Using flashtool flash the ftf. The tutorial on flashing can be found here
In the literal sense, no—you can't root a phone that's already rooted, because that's like killing a bug that's already dead. If the real question is, as I understand it, whether it's okay to go through the rooting process on a device that's already rooted, generally yes, there's no reason why that would cause any harm. So if you don't know whether ...
Run framaroot.apk and choose unroot.
You can try installing the app Root Checker to know if your device is rooted or not. And yes you can root your device again even if its rooted. But yes first its better to check if it has the rooted privileges or not. As far as running of apps is concerned sometimes some app stop responding even if one has the rooted privileges better would be to first check ...
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