If the device returns to Qualcomm 9008 mode after reboot, your bootloader (SBL) is corrupted. You will need a full eMMC flash firmware (Nokia’s NB0 format), which is beyond a hard reset—that is a full repair.
For hard-bricked devices, dead boot, or no recovery. qm215 emmc nokia hard reset upd
A hard reset completely wipes your device. Back up all essential photos, contacts, and files if you still have access to the UI. Google Account Lock (FRP): If the device returns to Qualcomm 9008 mode