News, Round Smartwatch, Smartband

NO.1 products user manual

This is where you can download the user manual for your D7 user MTK 2502z series user (G5, G6, G8 user D5+ User F1 user F2 user F3 user F4…

Round Smartwatch, Tutorial, Video

How to take off the F3 back cover?

How to turn on the F3? Usually you can hold the mode and start button to turn it Although this method works for all this kind of products, occasionally, when you receive your F3, you can't turn it on…