This is not about the phone’s general performance or camera, but about via test points for unlocking, recovery, and bypassing software locks. 1. What is a “test point” on Redmi 9? A test point is a pair of exposed copper pads on the phone’s motherboard that, when shorted (usually with tweezers or wire), force the device into EDL (Emergency Download Mode) .
The Redmi 9 test point is a powerful but risky hardware backdoor into BROM mode. It works when software methods fail, but requires precise shorting, Mediatek-specific tools, and patience. For most users, official service or bootloader unlock is safer. test point redmi 9