| Pin Position | Pin Name | Connection to Nokia 105 RM-908 | Voltage / Signal | |--------------|----------|--------------------------------|-------------------| | 1 (leftmost) | VBUS | +5V charging input via PMIC | 5V nominal | | 2 | D- | No direct connection. Connected to test points (TP-51) for flashing. | High-Z or ground via resistor | | 3 | D+ | Connected to ESD protection diode, then to CPU (UEM) for flashing mode. | 0V or 3.3V logic | | 4 | ID | – Connected to a 10kΩ pulldown resistor to GND, also to charger detection circuit. | ~0V when cable plugged. | | 5 (rightmost) | GND | System ground | 0V |
Paired with Data- for high-speed communication with a PC. Nokia 105 Rm 908 Usb Pinout