To fix the "dm-verity verification failed" error on a Samsung Galaxy Grand Prime Plus (SM-G532F), you generally need to flash the official stock firmware reset the EFS/DRK using specialized tools

Open Odin on your PC and connect your phone via USB. The "ID:COM" box should turn blue. Load the firmware files into their respective slots: . The device will reboot automatically once finished. Solution 2: Wipe Cache and Factory Reset

Better method: