Whether you are a mobile repair technician, a hobbyist, or an owner of this rugged device, this guide provides all the pinout schematics and practical advice you need.
The Micro-USB port on the RM-908 follows the standard 5-pin configuration used for mobile charging and basic data functions. When the phone is viewed with the port facing you (and the wider side of the trapezoid at the bottom), the pins are ordered : Pin Number Description Pin 1 VCC / VBUS +5V Power Supply for charging. Pin 2 Data - (D-) Negative data line (often used for software flashing). Pin 3 Data + (D+) Positive data line. Pin 4 ID Typically not connected (NC) on this model. Pin 5 GND Ground / Negative terminal. Common Repair Scenarios Nokia 105 Rm 908 Usb Pinout
Pin assignments (micro‑USB, looking into the plug with contacts up): Nokia 105 (RM-908) USB Pinout & Connection Guide