4 pin Nokia 1255 cell phone special connector at the mobile phone (under the back cover)
This page documents the connector used by a third-party data and charging cable for the Nokia 1255 handset. The pin layout is specific to this model and its connector, located under the back cover. Only the pins utilised by the cable are listed below.
| Pin | Signal | Description |
|---|---|---|
| 1 | ||
| 2 | ||
| 3 | Tx | |
| 4 | Rx | |
| A | +Vbat | |
| B | BSI | |
| C | GND |
Notes
Pin numbers refer to the connector on the handset; pins not listed are unused by the cable.
References
- Nokia 1255 Service Manual (RH-79) — System Module / System Connector — Nokia Corporation.