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Continue to ChatUpdate to Android 8.1 Oreo on Xiaomi devices with Nitrogen OS 8.1 ROM https://www.androidsage.com/2017/12/12/android-8-1-oreo-xiaomi-devices-rom/
Update to Android 8.1 Oreo on Xiaomi devices with Nitrogen OS 8.1 ROM https://www.androidsage.com/2017/12/12/android-8-1-oreo-xiaomi-devices-rom/