Stuck FastBoot Mode

slot and a factory reset of the device wipes all of the Weaver slots The secure change on GrapheneOS and will likely change for baseline Android too

Change CSC with one click; Remove FRP for new security patch Auto-detect file and select slot; Auto-extract for ZIP file; Ignore MD5

fastboot getvar currentslot If you device randomly got stuck in fastboot after a reboot, that means the counter hit zero and the bootloader marked your slot as unbootable

fastboot change slot fastboot recovery mode that shows signal strength and IMEI No They showed as having a uSD slot, so hopefully they have the correct chipset