I have a Meizu M5C (M710H) mobile phone. After the firmware update (via OTA), it is completely dead.
When I try to turn it on, it doesn't vibrate and no meizu or flyme logo appears. When I put it in charge, it shows no signs of life.
So I decided to flash the firmware using "SP Flash Tool", but after following the procedure, pressing the "Download" button and connecting the USB cable to the phone, the computer detects the phone, the firmware download starts and immediately after a error appears: "S_SECURITY_SEND_AUTH_FAIL (6029), MSP ERROR CODE: 0x00." (MediaTek USB Drivers are installed correctly).
Have you any firmware / ideas?