raphael
Active Member
- Joined
- Jan 16, 2022
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- 30
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- Location
- Austria
- Vehicles
- 2021 Mustang Mach-E RWD LR
- Occupation
- IT Security specialist
Maybe I have an answere for you. It's important that your USB flash drive uses MBR (master boot record) partition table instead of the newer GPT (GUID Partition Table). It seems like something in the car isn't compatible with the newer GPT. Maybe the APIM itself, or the component the USB port in the car connects to. However, if thats really the case, it's a shame again for FORDs software development, because GPT was introduced back in the 2000s.I dont want to speak too soon, but it seems trying a third flash drive worked, a 16GB Kingston, 3.0 worked, my SanDisk and PNY failed. As an IT person, I am baffled lol
I once tried to update my APIM with an USB stick, which I had used before for successful updates, and suddenly always got an error instantly, after pluging the USB stick into the car.
After some experimenting with redownloading, reformating and deleting partions on the drive, I noticed my drive was using GPT partition table now (must have changed by using the same drive as an USB install stick for some linux servers).
I changed it back to MBR and the next attempt of the update was successful instantly and since then never had this problem again, because I always check my USB sticks for MBR now.
You can check the used partition table in the properties panel of the USB drive
You can change the partition table type with the Windows Disk Management tool or some simple cmd commands:
https://learn.microsoft.com/en-us/w...management/change-a-gpt-disk-into-an-mbr-disk
Would be cool, if some of you guys doing your own FDRS updats could check your USB drives and report back if you are using MBR or GPT.
If all of this is really the reason for the failed updates, this information should definitly be added to the FDRS information page, which tells you to use exFAT, etc.
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