You dont need to do a hardware flash. Google search firmware generator ES4. Make a firmware with the speedlimiter maxed and download the zip file. Then download a flasher app. I used ES down G for consistent results. I have multiple buddies scooter at this point. Some phones work better with differe...

I flashed mine without any hardware mods. I used the firmware generator here and flashed with ES downG on a Samsung S9+. Dont forget to contrbute to the site when you download your firmware.