2. At the same time, press Volume Up(+) and POWER> for a few seconds.
3. Release all buttons when the ASUS logo appears.
4. Select in the menu wipe data / factory reset using the Volume Up(+)/Down(-) keys to go through the menu items and the POWER button to Confirm the selection.
5. Select in the Yes menu and click the POWER button to confirm the selection.
6. Select in the menu "reboot system now" and confirm the selection using the POWER button.
Hard Reset - advantages and disadvantages Asus Zenfone 4 Max ZC520KL?
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 get a completely clean phone from user settings and data. Remove viruses and applications that slow down the phone and give constant errors. Solving problems that have arisen on the device due to an application conflict.
Disadvantages of Hard Reset:
Your files and data will be irretrievably lost. The need to have a fresh backup of your phone's data, contacts, and media. 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. Before a hard reset, you can log out of your google account in advance. Then, after performing a factory reset, you do not need to remember the login password for your Google account. If after a hard reset you cannot use the phone because the phone is locked by FRP, then you need to use the instructions for bypassing the FRP lock for your phone model. 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:
Sync your data with Google contacts, Google drive. Backup your data, contacts and media. Transfer important data to your PC using service programs for your smartphone model.