Instructions to delete a language to Allview devices

Allview A5 Duo Allview A5 Duo
Allview A4 Duo Allview A4 Duo
Allview X1 Soul Allview X1 Soul
Allview X1 Soul Mini Allview X1 Soul Mini
Allview P5 Symbol Allview P5 Symbol
Allview A5 Quad Allview A5 Quad
Allview P6 Quad Plus Allview P6 Quad Plus
Allview Viva Q8 Allview Viva Q8
Allview Viva H8 Allview Viva H8
Allview City+ Allview City+
Allview 2 Speed Quad Allview 2 Speed Quad
Allview City Life Allview City Life
Allview 3 Speed Quad HD Allview 3 Speed Quad HD
Allview Viva Q7 Life Allview Viva Q7 Life
Allview Viva i8 Allview Viva i8
Allview AX3 Party Allview AX3 Party
Allview AX4 Nano Allview AX4 Nano
Allview Viva D8 Allview Viva D8
Allview Viva H7 LTE Allview Viva H7 LTE
Allview Viva H7S Allview Viva H7S