固件版本升级失败

A：请多试几次，多次升级不成功建议把设备从账号下删除，把设备配置为手机热点（3G/4G），升级只会消耗几K流量，升级完再切换为家庭WiFi。即使升级不成功也不会影响使用功能。

操作步骤：把设备从账号下删除 - 准备另一台手机并开启手机热点 - 需要配对的手机连上手机热点并开始配对设备 - 设备配对成功后尝试升级固件（请保持手机及设备联网正常） - 设备固件升级成功后删除设备 - 使用WiFi重新配对设备

Failed to upgrade firmware

Please try for several times. If failed, please follow below operations:

1. Delete the device from your account.

2. Take another phone, enable its hotspot.

3. Connect the hotspot WiFi with your phone. Re-add the model, note that you have to enter the hotspot WiFi info correctly during adding process.

4. After adding it successfully, upgrade the firmware.

5. After upgrading successfully. Delete your device from your account.

6. Switch your WiFi to your previous home WiFi.

7. Re-add the device to App via the home WiFi.

Once you change the WiFi, you’ll need to delete and re-add. Or the device can’t send data to the server successfully.