1. To start, turn off the phone using the POWER button.
2. Press and hold the Volume Up(+) and POWER button at the same time within a few seconds.
3. After that, you need to release the keys you, when you see that the screen lit up.
4. Use the Volume Up(+)/Down(-) buttons to select wipe data / factory reset and confirm using the POWER button.
5. Use the Volume Up(+)/Down(-) buttons to select Yes and confirm using the POWER button.
6. Using the Volume Up(+)/Down(-) buttons, select reboot system now and confirm using the POWER button.
Hard Reset - advantages and disadvantages Panasonic T9?
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 to factory settings, thereby increasing the stability of its work. Removal of viruses that interfere with the normal functioning of the device. Solving problems that have arisen on the device between applications and for example bluetooth.
Disadvantages of Hard Reset:
All your data and media files will be deleted. The need to have an up-to-date backup of your data, contacts, settings and media files. In rare cases, it is impossible to remove some viruses from Android, even after a hard reset.
What needs to be done before the Hard Reset operation.
So that after a hard reset the phone is not blocked by the FRP, make sure that you know the login / password to your google account. You can sign out of your google account before resetting. In this case, after performing a factory reset, the phone will not ask for any logins and passwords and you can use your device. If after resetting the settings you cannot log into your Google account, then you need to find instructions for bypassing the FRP lock for your phone model. You will need to contact the official service center to bypass the FRP protection on some new phone models.
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, sms, photos, videos) remains in the memory of your device, then there are the following options to save it:
Synchronize your data and contacts with Google contacts, Google drive. Create a backup using Titanium Backup. Using the service programs for your phone model, you can transfer important data to your PC.