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Old 03-14-2025 | 11:28 AM
  #225  
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trilerian
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Originally Posted by sav13
Hi guys, has anyone updated their charger to version 3.07 following the new suggestions given by Toolkit? (powering with a 2s or higher / 12v power supply)

1- Press and hold the charger button (back button?) and connect the USB cable to the computer

2- Connect a 2s or higher battery (or 12v power supply) to the xt90 power port

3- download the update package from the toolkit site and extract the file to the computer

4- copy and paste the app.upga file inside the charger
I just updated mine to 3.07 using this process. Same as I posted above, use USB C and power the charger from your power supply. The unit will not turn on all the way, but the USB will get power from your power supply and allow the folder to pop up on your PC so you can drop the file in there. Once you copy the file, power everything off, remove the USB C and power up the charger again, it should be on 3.07.
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