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