Instructions to delete a language to Tecno devices

Tecno Spark 4 Lite Tecno Spark 4 Lite
Tecno Pop 3 Plus Tecno Pop 3 Plus
Tecno Camon 12 Air Tecno Camon 12 Air
Tecno Camon 12 Pro Tecno Camon 12 Pro
Tecno Phantom 9 Tecno Phantom 9
Tecno Camon i Ace2 Tecno Camon i Ace2
Tecno Camon i Ace2x Tecno Camon i Ace2x
Tecno Camon i Sky 3 Tecno Camon i Sky 3
Tecno Camon i 4 Tecno Camon i 4
Tecno Camon i 4 2GB Tecno Camon i 4 2GB
Tecno Camon 11S Tecno Camon 11S
Tecno Spark 3 1GB Tecno Spark 3 1GB
Tecno Spark 3 Tecno Spark 3
Tecno Spark 3 Pro Tecno Spark 3 Pro
Tecno Camon iACE2X Tecno Camon iACE2X
Tecno Camon iACE2 Tecno Camon iACE2
Tecno Boom J8 Tecno Boom J8
Tecno W3 Tecno W3
Tecno W4 Tecno W4
Tecno Camon C7 Tecno Camon C7