You can press and hold the power button and the volume button until the machine vibrates, and then restart. Let go when you see Meizu logo. At this time, connect the mobile phone to the computer, you will identify a storage disk, and then download the latest firmware in official website to upgrade. After the upgrade, it can be started normally.

If the above methods can't solve the problem, you can do the following:

If the phone can't be turned off, keep turning it on in circles, and press and hold the power button and the volume plus button 10 second at the same time, you can forcibly enter the root interface. Meizu mobile phone is the default USB storage mode in the root interface, and you can display the mobile disk in the "computer" by directly connecting to the computer. Do not operate the phone root interface at this time. ?

1, first download the root file package of MX to the local disk of the computer in Meizu official website service support (that is, don't download it directly to the mobile phone, which may damage the storage disk).

MX firmware download link: /services/downs.html? id= 195。 SelectedType=mx It is recommended to use IE browser to download locally.

2. After the download is completed, copy it to the root directory of the displayed storage disk (root directory refers to double-clicking the empty location opened by the storage disk, which means it will not be placed in any folder).

3. Tick "System Update" on the mobile phone (if you need to clear data, please also tick "Clear Data") and click "Start" to upgrade the system;

4. When the system is upgraded, please don't turn it off; After the system upgrade is completed, the mobile phone will start automatically;

PS； You must check the data clearly!