If the toggle is available but the switch slides back to "OFF" (or stays greyed out) when you try to toggle it, Motorola often requires a factory reset to finalize the unlock state.
Steps:
If you have waited 7 days, have an unlocked carrier phone, and the toggle is still grey: oem unlock greyed out motorola top
If the partition that stores the "unlock allowed" flag was corrupted, a clean flash will repair it. If the toggle is available but the switch
Google’s Factory Reset Protection prevents a thief from unlocking the bootloader to bypass a locked screen. If you recently performed a factory reset or flashed the phone via Lenovo's Rescue Assistant (LMSA), a 72-hour lockout period is activated. Once the phone reboots:
The Fix: Simply wait 72 hours without resetting the phone again. The toggle will ungrey itself automatically.