flash the bootloader

Bootloader mismatch!

Communication with bootloader failed

Contacting bootloader ...

initiating reboot to bootloader ...

No response from the bootloader, programming FAILED

Rebooting device to bootloader FAILED

using the bootloader on the device

flash to bang / flash-to-bang (time)

flash-ranging (location), flash-spotting

flash (precedence)

flash a signal

flash burn

flash flood

flash fuse

flash hood

flash suppressor / guard / eliminator / hider / cone

flash-bang grenade

flash-blindness

heat flash

optical flash

organizational flash

shoulder flash / mark / patch

stun grenade / flash grenade / flashbang / thunderflash / sound bomb

flash reducer

flash reducer wad

anti-flash compound

atomic flash

blaze of flash

filtered flash lights

heat-flash burns area

flash absorber

flash hole