we use MTK MT6737 design 4G watch project for China Mobile.This product has passed the certification of China mobile.
BPI:4.0 server: 4G watch quantity production
4G watch UI design, can customization for user :
4G watch PCBA:
4G watch PCBA with shielding case:
System Physical Standard Configuration:
System hardware configuration:
Interface Configuration:
Software Configuration：
Necessary Accessories：
more aout BPI 4.0 Service ：
http://wiki.banana-pi.org/Successful_case
welcome for OEM&ODM , if you interest this design, please send mail to [email protected]