Meizu MX dual-core can't boot.

Solution: Method 1 1, go to Meizu official website to download the latest firmware; 2. Charge for about 10 minutes to activate the battery, press and hold the power button and volume button for a long time, and let go after the phone vibrates; 3. At this time, connecting the mobile phone to the computer will recognize a storage disk, copy the firmware to the storage disk, and click Upgrade to use it normally. Method 2: Bring the mobile phone, invoice and warranty card to the local Meizu authorized service experience center and ask the staff to check and repair.