How to Fix your bricked watch if accidently uninstalled a watch face
- Turn on bluetooth on your phone
- Open up mediatek smartdevice or try with fundo wear
- Turn on your watch, and connect USB to your COMPUTER/LAPTOP.
- Wait for a while, until your watch show menu select option, press on "Mass storage".
- Then, your watch will connected to mediatek smartdevice app(or fundo, i not sure about this app).
- Finally install back the watch face that you uninstall.
If Method 1 not successful, you need to reflash your watch firmware.