How to upgrade the maverick firmware03:45

In this movie i use these parts

The website: http://www.gemfanhobby.com/En

Frame: Dquad Xt190
Flightcontroller : Xracer F303 V3.1 with betaflight 3.0
Gemfan Maverick 24A Esc
Cobra Champion 2205 2300KV
Mylipo 4s 1600 50/

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    1. Gautam Verma

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