GBA Custom Upgraded Motherboard Replacement

Just transplant the CPU and RAM to complete the work. Add standby function and LED light. Replace the sound amplifier Reduce the noise and make it louder. Lead out SEL R L welding points. Add power light for 3V-1.8V multi-color display. Hard power switch to soft switch, service life greatly increased.   PRODUCTS INCLUDE: 1x Upgraded Motherboard 1x Right Gold plated battery shrapnel  NOTES Motherboard panel interface is 32Pin, 32Pin/40Pin motherboard can be universal The card slot is completely customized，The slot pins is phosphor copper. Power increase due to audio amplifier,Recommended 8 Ohms 1W speaker. Press and hold the A+B Four second to change the LED light mode Press and hold the SEL+A/B to change the LED brightness. Press and hold the STA+A/B to change the LED light color. Press and hold the SEL+A+B Enter/Out standby mode.The core still works, and only the peripheral hardware is powered off (Only applicable to original carts)          When using the OEM screen, there may