Sometimes the error reads: "dm-verity verification failed... Need to check DRK first." is a unique device credential. If corrupted, dm-verity fails.
You see “dm‑verity verification failed” on a G532F primarily because: g532f dm-verity verification failed fix
This is a complex FRP bypass, but it is the only cure if you see the FRP error alongside dm-verity. Sometimes the error reads: "dm-verity verification failed