What is the difference between AFT, FTM, and zs661ks_flash_raw?

Please tell us some basic information before asking for help:
- Model Name: rog phone 3 12/512
- Firmware Version: WW-17.0823.2009.99
- Rooted or not: not
What is the difference between AFT, FTM, and zs661ks_flash_raw?
After it was bricked, it was restored as a raw file, but after that, the automatic update does not work.
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