Nokia 105 Rm 908 Usb Pinout May 2026

The Nokia 105 (RM-908) uses a standard 5-pin Micro-USB connector. Below is the hardware-level mapping.

| Pin | Signal Name | Function | Connected to (on PCB) | Typical Voltage | |-----|-------------|----------|----------------------|------------------| | 1 | VBUS | +5V Charging Input | Charging IC / PMIC | 5.0V (max 6.0V) | | 2 | D- | USB Data Minus | RAP3 CPU (via series resistors) | 0–3.3V logic | | 3 | D+ | USB Data Plus | RAP3 CPU (via series resistors) | 0–3.3V logic | | 4 | ID | USB ID | Pulled to GND via 0Ω resistor (for OTG detect – not used) | GND | | 5 | GND | Ground | Main ground plane | 0V |

Shell: Shield Ground (connected to GND via ferrite bead). Nokia 105 Rm 908 Usb Pinout

           ┌─────────┐
        ┌──┤ 1  2  3 ├──┐
        │  │ 4  5    │  │
        │  └─────────┘  │
        └───────────────┘
Pin 1: VBUS (Red)
Pin 2: D-   (White)
Pin 3: D+   (Green)
Pin 4: ID   (NC / GND via resistor)
Pin 5: GND  (Black)

| Symptom | Possible Cause | |---------|----------------| | No charging | Damaged Pin 1 or 5 on the phone’s port; broken PCB trace; faulty micro-USB socket. | | Phone shows “USB Connected” | D+/D- lines are shorted to GND or VBUS – should not happen unless port is dirty or damaged. | | Overheating while charging | Incorrect charger wiring or short between VBUS and GND. |

Meta Description: Struggling to revive your Nokia 105 RM-908? Discover the exact USB pinout diagram, common cable faults, direct soldering points (jumpers), and step-by-step repairs for charging and data transfer. The Nokia 105 (RM-908) uses a standard 5-pin

The Nokia 105 (model designation RM-908) is legendary in the world of feature phones. Launched in 2013, it boasts exceptional battery life, a rugged build, and surprising durability. However, like any electronic device, its micro-USB port is vulnerable to physical stress, corrosion, or simply wearing out after years of use.

When the charging port breaks, your options are limited. You can replace the port, but replacement parts are scarce. The most reliable solution for technicians and repair enthusiasts is understanding the Nokia 105 RM-908 USB pinout to either: | Symptom | Possible Cause | |---------|----------------| |

This article will dissect the pinout, provide soldering schematics, and offer advanced repair techniques.