A particular contact or set of contacts on the printed circuit board of the Redmi Word 12, when shorted, bypasses the machine’s regular boot course of. This system is often used for duties corresponding to flashing firmware, bypassing safety locks, or recovering from a failed software program replace when commonplace strategies are inaccessible. For instance, connecting these designated factors whereas connecting the machine to a pc by way of USB permits a technician to entry the machine’s bootloader instantly.
The presence of those entry factors is essential for restore technicians and superior customers. They provide a way to revive the machine to a purposeful state in conditions the place the working system is corrupted or the bootloader is locked. Traditionally, these factors have supplied a backdoor for accessing and modifying system software program, serving as a vital software for machine upkeep and customization in conditions the place commonplace procedures have failed. They’re important for troubleshooting points that render the machine unusable via regular means.
