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Flamewheel Multirotor Support Flamewheel Multirotor Support


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Old 03-31-2017, 03:20 AM   #1 (permalink)
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Join Date: Sep 2014
Location: Eastern North Carolina
Default DJI iOSD Mini firmware problems and iOSD Assistant V4.01

To all that have the DJI iOSD Mini, there is a HUGE problem when using iOSD Assistant V4.01 and firmware upgrade.

When plugging an iOSD Mini into Assistant V4.01, the Assistant will state the firmware is upgradable to V4.00 (or V4.01, I don't recall). DO NOT DO IT. I believe the Assistant ID's the Mini as a MKII and the firmware V4 is probably or MKII. It will load the MKII firmware and now it will give a "Firmware mismatch" warning. This bricks the iOSD Mini, I believe. iOSD Mini latest firmware that doesn't give the mismatch is V1.06. (that's a pretty big rev jump from 1.6 to 4.x if for the same type unit)

DJI site does not indicate this problem exists because they would need to admit something isn't right. They state the firmware is for the use of a Mini w/ an A2, but if that was the case, why is there a mismatch? Maybe if it was plugged into an A2, then the mismatch "may" go away, but I have no way of proving it. If that was the case, then the Assistant should be able to ID a Mini connected to a NAZA and NOT suggest to "upgrade" the firmware.

They give no downgrade path and you must contact them via e-mail and they will send a one-shot (disables after use so it can't be shared) program to fix it.

After loading the wrong firmware myself, I had to find a work around to downgrade back to V1.06, which I figured out pretty easily.

1. Load the older iOSD Assistant 4.0 (luckily I still had the installer file)
2. Start Assistant V4.0 program
3. Connect the iOSD Mini
4. Software will ask if you want to "upgrade" to V1.06. Hit yes to "upgrade" firmware
5. When "upgrade" is done, Re-boot the iOSD Mini
6. All is good now with firmware 1.06 installed


Hope this helps..
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Old 03-09-2018, 03:27 AM   #2 (permalink)
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Join Date: Mar 2018
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i need the installer file, please
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