LoL, yours is V2 but you upgrade V4. It's certain fail.

@Sunshine Thanks I have M7200v1 boot loop. Firmware Recovery Tools of M7200v3 solved it. Sunshine wrote This Article Applies to: M7200 V3 M7350 V3/V4/V5/V6.2/V7/V8 M7450 V2/V2.3 M7650(EU) V1.1...