Friendly Tips/Disclaimer: 1. So far as we test, band screen supports 9 languages(regions) setting in Android/iOS, they're Chinese(China), English(United States/United Kingdom), Russian(Russia), Spanish(Spain), Japanese(Japan), French(France), German(Germany), Italian(Italy), Portuguese(Portugal) 2. Other languages(regions) device screen shows defaultly Chinese but APP suports multi-languages. 3. For safe reason, you can ONLY see and pair the device in APP Huawei Wear. 4. You could reboot the band by charging it to fix bluetooth pairing problem if any. Installation 1. Install 'Huawei Wear' APP via QR-code. Open APP and follow its instruction, then click 'Pair' button, and select according smart device. 2. Charging to boot or reboot device, then back to APP, click the new found device serial to start pair, complete pair by touching according area on device. Buyer says good.