Instructions for changing the language on Douzo devices

How to change the menu and keyboard language to Douzo devices step by step with images and video, instructions to add and change language to Douzo brand mobile phones and tablets. Search your device among the wide range of Douzo available.

Douzo Knight D51 Douzo Knight D51
Douzo Silk D4 Plus Douzo Silk D4 Plus
Douzo Silk D4 Douzo Silk D4
Douzo Silk D5 Douzo Silk D5
Douzo Knight D50 Douzo Knight D50