How to fix Invalid sparse file format at header magic [Fastboot]

Okay, so I own a Red Magic 6 and it’s currently bricked. There is no unbrick tool for this device yet and there isn’t going to be one for a while.

My bootloader is unlocked. I have tried reflashing the files using fastboot. However, when I go to flash the system, it prints out:

Invalid sparse file format at header magic
Sending sparse ‘system’ 1/4 (786352 KB) OKAY [ 18.114s]
Writing ‘system’ FAILED (remote: ‘Partition not found’)
fastboot: error: Command failed

(Phone came with a/b partition just a heads up and it runs on Stock android 11)

I have searched EVERYWHERE, from forums, to tools, to python scripts…. EVERYTHING. No solution.

Yes, my fastboot is on the latest version and yes I tried the –force command on fastboot. Still no luck.

I have researched everything about sparse images but am still having problems. I tried converting the image to a RAW ext4 img but it fails.

Is there any workaround for this?

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