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Continue to ChatXiaomi Mi A1 December 2017 Security Patch [OTA Downloads] https://www.androidsage.com/2017/12/09/xiaomi-mi-a1-december-2017-security-patch/
Xiaomi Mi A1 December 2017 Security Patch [OTA Downloads] https://www.androidsage.com/2017/12/09/xiaomi-mi-a1-december-2017-security-patch/