MIUI Voltron Flash Steps

Cannot upgrade from Voltron V1, V2, V3 to v4 without resetting

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TWRP(V4)

1.Flash Rom

2.Format Data(Clean installation is required since the ROM is decrypted in the v4 version)

3.Reboot System

FASTBOOT(V4)

1.Open xxxx.bat

2.Proceed with the formatted installation by typing y and pressing enter.

3.The system will automatically start