 5 pin Nokia semi-round cellphone special connector at the cellular phone | | Pin | Signal | Description |
| 1 | GND | |
| 2 | MBUS | |
| 3 | Vpp | |
| 4 | Rx | |
| 5 | Tx | |
For Nokia 3220, 7260 connector is placed contracted part up to the battery pins with following pinout:| Pin | Signal | Description |
| 3 | GND | |
| 2 | MBUS | |
| 1 | Vpp | |
| 5 | Rx | |
| 4 | Tx | |
Source:www.pinouts.ru
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