2. Sign in Settings -> Backup & RESET -> Factory Data Reset -> Reset Phone.
3. Select the option Erase Everything and confirm the selection OK.
Hard Reset - advantages and disadvantages Sony Xperia Miro ST23i?
In simple words, Hard Reset means hard resetting the phone. As a result, the system automatically returns to the factory settings and the system is completely cleared. Contacts, correspondence, application, files, search queries, passwords - all of this is deleted from the device's memory.
Benefits of Hard Reset:
The ability to completely clear the phone from user information. Remove viruses and applications that slow down the phone and give constant errors. Solving problems that have arisen due to the conflict of some applications and those remaining after they were removed from the phone.
Disadvantages of Hard Reset:
Permanently deletes all data on the device. The need to back up contacts, settings and media files. Not all viruses will be removed even after the hard reset procedure.
What needs to be done before the Hard Reset operation.
Before hard reset, make sure you know the access data for your google account, otherwise the phone will be blocked by the FRP. You can sign out of your google account before resetting. Then you do not need to enter the login password to your Google account and you can immediately use your device. In case you have already done a factory reset and cannot remember the login and password for logging into your Google account, for most models there are instructions for bypassing protection (FRP). Some new phone models may have problems with bypassing the FRP protection and for this you will need to contact the official service center.
After performing a hard reset, your device will be completely wiped clean. Everything that was in the memory of your device will be deleted.
What can be done to avoid losing important information?
If personal data (contacts, photos, videos) remains in the memory of your phone, then they can be saved in several ways:
Synchronize your data and contacts with Google. Backup your data, contacts and media. With the service programs for your phone, you can transfer contacts, media files, and important data to your PC.