Many users ruin their dongles by updating incorrectly. Do not just click "Update." Follow this to ensure zero errors.
Once the software opens:
"I was hesitant to move from 339 because it was stable. But after a motherboard died on a Vivo V29 using 339, I switched to 340. Not only did it fix the Vivo, but it also unlocked a Samsung A54 that 339 couldn't touch. This update is mandatory." — , Forum Moderator miracle box update 339 to 340 best
Typical for these minor version jumps, v3.40 addresses stability issues found in v3.39 to ensure a more consistent connection with the Miracle Thunder dongle/box. Software Identity Many users ruin their dongles by updating incorrectly