1. Turn off the device by pressing the POWER button.
2. After that, you must enter Recovery Mode by holding the POWER and Volume Down(-) buttons together.
3. When Recovery Mode opens, you will select wipe data / factory reset using the Volume Up(+)/Down(-) buttons to move through the list and the POWER to select items.
4. Then confirm the reset action by selecting "Yes - delete all user data".
5. When the phone restarts, select "reboot system now" to log in.
Hard Reset - advantages and disadvantages Finepower C4?
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 phone with factory settings as a result. Removal of viruses that block applications on the device and give persistent errors. 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 a fresh backup of your phone's data, contacts, and media. Not all viruses on Android can be removed even after returning to factory settings.
What needs to be done before the Hard Reset operation.
If you are going to do a hard reset on your phone, then be sure to make sure that you know the access data for 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. 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 important information (contacts, sms, photos, videos) remains in the memory of your device, then there are the following options to save it:
Synchronization with Google contacts, Google drive. Create a backup using Titanium Backup. Transfer important data to your PC using service programs for your smartphone model.