Fix Android Software Update "your device is modified in an unauthorised way"

"The operating system on your device is modified in an unauthorised way" System Update error on android device.

Note:
This option wouldn't work to rooted device, but it can be solved if you unroot the phone.

Steps:
1. Power off the device and access recovery mode
2. Use "Wipe cache partition "
You can also use " Wipe Data/ factory reset" , if this method doesn't work. find the procedure in the 2:26
3.use "Reboot system Now" for normal start up.
Contact : deezzone
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