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heyplus EU Admin·

The core data loss interface appears on the watch

1. After the upgrade fails or other operations, the watch displays the core resource loss interface: core data missing please connect to Hey + app and get recovered. Ver: xx.xx.xx.xx (XX is a number) MAC: XX: XX (XX is the last four digits of the MAC address)
2. Please delete this watch on the black plus app and cancel pairing in the Bluetooth of the mobile phone system
3. Search the MAC (XX: XX) address on the watch with the black plus app and rebind it (note for IOS mobile phones, Bluetooth pairing prompt pops up when binding, please click [Cancel])
4. Re upgrade after entering the app. You can continue to use it after the upgrade is successful