2. Press and hold the Volume Up(+), Home and POWER buttons at the same time for a few seconds.
3. You must release the held buttons when the Samsung logo appears on the screen.
4. Select the wipe data / factory reset option from the menu using the Volume Up(+)/Down(-) buttons to navigate through the menu items and the POWER button to confirmation.
5. Select Yes - delete all user data using the Volume Up(+)/Down(-) buttons to navigate through the menu items and the POWER button to confirm .
6. Restart your phone, select "reboot system now" using the Volume Up(+)/Down(-) buttons to navigate through the menu options and the POWER button to confirm.
Hard Reset - advantages and disadvantages Samsung G3812B Galaxy S3 Slim?
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 reset the phone, thereby improving its performance. Removing viruses that have entered your phone. Solving various problems on the device that arise due to the conflict of applications.
Disadvantages of Hard Reset:
Completely remove all user files and settings on the device. The need to back up all data and contacts. Unfortunately, in some cases, not all viruses on Android will be removed, even after a hard reset.
What needs to be done before the Hard Reset operation.
If you want to do a hard reset on your phone, then make sure you know the login / password for your google account. Before a hard reset, you must first log out of your google account. In this case, after performing a factory reset, the phone will not be locked by the FRP. If, after resetting the settings, the phone is blocked by the FRP and you cannot remember the login and password for entering your Google account, then for most models there is an instruction for bypassing this protection (FRP). Owners of new phone models do not get to bypass the protection of the FRP and 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 important information (contacts, photos, videos) remains in the memory of your phone, then it can be saved in several ways:
Sync your data with Google contacts, Google drive. Backup your contacts and information. Transfer important data to your PC using service programs for your smartphone model.