Google has built a security feature called rollback Protection (rollback protection) in the Android 8.0 system that would prevent the device from retreating to an older version of the firmware, becaus

In recent years, the brush machine has been the topic of Android mobile phone users relish. Sometimes, upgrading a mobile phone system may not be a better experience, so users tend to brush the way back to the previous system version.

Although users get more convenience, it is obviously unwilling to see the handset manufacturer.

Today, MIUI released a notice in the community about the introduction of the anti-roll mechanism for red M Note 5, in order to maintain system stability and ensure the safety of the equipment, we recently introduced the ' anti-rollback ' mechanism, MIUI domestic version 8.7.6 and the above version will not be degraded to brush back to the old version of the development or stable version.

MIUI also said that if the phone has been updated to 8.7.6 and above or stable version of V9.5.22 and the above version, please do not attempt to downgrade the old version of the brush, which may cause the phone to change bricks.

If you have upgraded to 8.7.6 or V9.5.22 and the above version, and brush back to the old version of the brick phenomenon, please contact customer service or to the Millet authorized service outlets contact staff for brush machine.

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