If your radio is stuck on a screen that says "FlashZap," it usually means the device failed its power-on self-test. Before sending it for expensive repairs, Motorola Solutions Support Check for Physical Shorts
A: From a security perspective, yes (if you don't mind Android 6.0 Marshmallow). From a battery perspective, no. Those batteries are 8–10 years old. Using FlashZap on an old, swollen lithium battery is a fire risk. If you resurrect a Droid Turbo, replace the battery first. motorola flashzap
Shortly after FlashZap faded, the "Bump" app (using accelerometers) and later NFC (tap-to-share) solved the pairing problem without needing a camera flash. Google Android adopted NFC in 2010, and FlashZap became a footnote. If your radio is stuck on a screen
He uploaded the file to the city’s mirror-net. Then he unclipped the FlashZap, held it like a grenade, and walked out the main entrance. Fifty guards raised weapons. Those batteries are 8–10 years old