: Use a multimeter to verify GND (continuity to shield) and VCCQ (1.8V when the board is powered).
| Signal | Pad Location | Color Code (Wires) | | :--- | :--- | :--- | | (3.3V) | Capacitor C620 (Positive side) | Red | | CLK | Test Point TP602 | White | | CMD | Test Point TP601 | Green | | D0 | Test Point TP603 | Yellow | | GND | Shield / Can Ground | Black |
: Direct soldering to the motherboard can permanently damage the PCB or eMMC.
Disclaimer: Modifying ISP pins voids your warranty. This guide is for professional repair technicians only.
Most free forums will give you the raw test points directly on the eMMC pins or the nearby resistor arrays. On the LG K41s, the eMMC is typically a Samsung or Kingston chip (153-ball BGA). The raw points are: