You don’t have Huami Amazfit GTR smartwatch yet ?!
You need to buy it as soon as possible!
We recommend Geekbuying, the Best Store, where you will get your parcel as fast as possible.
1. It works for Global versions of Huami AMAZFIT GTR Smartwatch!
2. Installing firmware updates is always done at your own risk!
(Click the “47MM” or “42MM”, you also can watch the corresponding flash video.)