● What should I do if the firmware update failed halfway, or I flashed the wrong firmware?
Here are the steps to flash firmware manually:
Note: Close UFACTORY uArm Studio while using the FlashTool
（3）Open FlashTool, and then drag the .hex file to the FlashTool. Once it’s done, you could terminal the Flashtool and open uArm Studio to check if the firmware is the latest.