(2)
If the APP is not used the first time, you can go to the “Firmware Update” function for check the bracelet
firmware version and upgrading.
(3) After the upgrade is finished, please sync the APP and bracelet again, otherwise the version shown in
“Firmware Update” function mybe incorrect.
7.
Upgrade failure measures
If the upgrade is failure, the bracelet will always stop in the upgrade interface, APP and bracelet can not be
connected, bracelet can not restart, such as the following picture.
In this case, you need to unbind the APP and the bracelet.
