Flash-all-lock.bat (2025)

Running flash-all-lock.bat introduces a critical vulnerability unique to modern device variants. If an operator attempts to flash software intended for one geographic market onto hardware explicitly designed for another, . Flash-all-lock.bat

If you are selling your phone or returning it to a manufacturer for a warranty claim, you must return the bootloader to a locked state. A buyer may not want the security risks associated with an unlocked bootloader, and warranty departments may detect the unlock status and void the warranty. Using flash-all-lock.bat ensures the device is wiped, clean, and secure. flash-all-lock.bat

: Potential brick; may require disassembly and shorting test points. Running flash-all-lock

In essence, this script is a "Return to Stock" utility. It is designed to take a device that has been modified (bootloader unlocked) and revert it to a state indistinguishable from a brand-new phone bought in a store. A buyer may not want the security risks