Curtis LT7029 - Manual (Page 17)

Note:Do remember to connect PC to DC power when reset. All the apps from
third-part and datas will be deleted and return to the factory default.
7.5 Language&keyboard
7.5.1 Select language
On settings menu,click “Language&keyboard”-“Select language” to choose the
language as below:
7.5.2 Android keyboard
Click “Android keyboard” on “Language&keyboard settings”, choose the operation like
below:
7.5.2.1 Input languades