1. To start, turn off your phone with the POWER button.
2. Press the POWER button and the Volume Down(-) button for a few seconds.
3. When the LG logo appears on the smartphone screen, briefly release the POWER button and press it again.
4. Release all buttons when Factory reset menu appears on the screen.
5. Select the Yes option using Volume Down(-) to navigate through the menus and the POWER button to select.
Hard Reset - advantages and disadvantages LG L40 Dual D170?
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. Removal of viruses that cause inconvenience in work and give permanent errors. You will be able to solve various problems on the device, for example, with bluetooth or other applications.
Disadvantages of Hard Reset:
All your contacts, data and media files will be deleted. The need to have a fresh backup. It is possible that not all viruses will be removed from your phone.
What needs to be done before the Hard Reset operation.
Before doing a hard reset, be sure to remember the login / password to access your google account. You need to log 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 immediately use your phone. If, after a factory reset, the phone is locked because you cannot log into your Google account, then you need to find instructions for bypassing the FRP lock for your phone model. Owners of modern phone models will need to contact the official service center to bypass the protection of the FRP.
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 remains in the memory of your phone, then it can be saved in the following ways:
Sync your data with Google contacts, Google drive. Create a backup using Titanium Backup or other programs. Using the service programs for your phone model, you can transfer important data to your PC.