for 525, 515, c313, e313, e525, e530, e535, e606, e616, e616v, c616v, e228, e808, e808s, e808y, n331i, n341i, n400i, n410i, n530i, n550i, n590i, n630i, n8, n700, n710, n830, n900, n8000 models
| Pin | Signal | Description |
| 1 | Gnd | |
| 2 | Rx | USB D+ at least in NEC N8, E616, E313. |
| 3 | Tx | USB D- at least in NEC N8, E616, E313. |
| 4 | Vcc | USB +5V |
| 5 | + | charger input, power from PC USB (+5V) may be used for charging |
