OverviewTECNO Spark Plus

First of all, turn off your device. Then, hold down the Volume Up key and the Power button. As soon as the Recovery Menu appears, release the keys. Now select "Wipe data/Factory reset" using the Volume...

With the phone turned on, go to "Settings". In Settings select "Backup & Reset". Then choose "Factory data reset". Click on "Reset phone" and "Erase...

The device must be on. Go to "Settings" . In Settings go for "Language and input". Finally select "Language".