3 Maintenance preparation
3.1 Handset with at least 50% battery charges
3.2 Supported Micro SD card and SIM card, 5V3A Charger, Type-C cable
3.3 PC with below configurations to do software update by using PC tool.
⚫ CPU: Equal to Pentium 1.6 GHZ or above
⚫ RAM: 4GB or above
⚫ Hard Disk: 10GB or above
⚫ Operation System: Win7/Win8/Win10
⚫ USB port
⚫ Internet connection with minimum internet speed of 8Mb/s
3.4 Backup the user data before repairing. There are two ways below for your
reference.
You need to add your Google account details first. Go to “Settings”-> “System”-> “Backup” -> Touch
“Turn on” in the window which has now opened ->Touch “Back up now.
* App data, SMS text messages, Device settings, Call history, and Contacts will be backed up.
4 Factory Reset
Factory reset will reset your phone to restore it to its factory settings. This will delete all data including
files and downloaded apps. Please backup the user data before doing factory reset.
4.1 Remove Google account before doing factory reset
If Google account is not removed before doing the factory reset, it is not possible to setup the device
with another Google account at initial setup after the factory reset and it will require you to login your
previous signed-in Google account. It is recommended that you log out of the Google account. Follow
the below steps to remove your Google account from the device.
You can go to “Settings”-> “Accounts”->touch your google account-> “REMOVE ACCOUNT”->touch
“REMOVE ACCOUNT”.
4.2 Factory Reset
You can follow the below steps to perform factory reset when the phone is powered on.
Go to main menu -> “Settings”-> “System”-> “Reset”-> “Erase all data (factory reset)”->Touch “Erase all
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