Instructions to delete a language to Cubot devices

Cubot S350 Cubot S350
Cubot Zorro 001 Cubot Zorro 001
Cubot GT88 Cubot GT88
Cubot S108 Cubot S108
Cubot S222 Cubot S222
Cubot S208 Cubot S208
Cubot GT90 Cubot GT90
Cubot P5 Cubot P5
Cubot P9 Cubot P9
Cubot C7+ Cubot C7+
Cubot GT99 Cubot GT99
Cubot T9 Cubot T9
Cubot J5 Cubot J5
Cubot Max 3 Cubot Max 3
Cubot KingKong 5 Pro Cubot KingKong 5 Pro
Cubot Magic Cubot Magic
Cubot P10 Cubot P10
Cubot X30 Cubot X30
Cubot J8 Cubot J8
Cubot KingKong 7 Cubot KingKong 7