SonyXperia Z5 Premium (E6853)DeviceReset to factory settings
When certain applications no longer function properly or if your Sony Xperia Z5 Premium is very slow, you can reset the device to its factory settings. This will reset the telephone to the settings it had when you first turned it on.
Please note: your Sony Xperia Z5 Premium may request a security code, which, if necessary, can be found in the instructions of the Sony Xperia Z5 Premium. Make sure you have them at hand.
If you purchased a used device and do not know the code, you should ask the previous owner for it.
Please note: resetting the device will erase all data and settings on the device. If necessary, make a backup on your computer.
Select Next for step-by-step instructions to reset the Sony Xperia Z5 Premium to factory settings.
Go to the Start screen.
Choose Backup & reset.
Optional: enable Back up my data.
Choose Factory data reset.
Optional: tick Erase internal storage.
Choose RESET PHONE.
Choose ERASE EVERYTHING.
All data and settings saved on the Sony Xperia Z5 Premium will be deleted.
The Sony Xperia Z5 Premium will automatically reset and reboot.