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How to Refresh Autel MaxiSys Ultra (Refresh Zip Attached)?
Steps as bellowing :
Step1: Download the compressed file, unzip it, and get the "autel_dv1912" folder
Step2: Copy the whole "autel_dv1912" folder to blank TF card root menu. (The TF card should be formatted to FAT32)
Step3: Plug the TF card to Ultra card slot
Step4: Power on the Ultra and it will to go to flash process automatically.Then it should work fine.