This manual introduces the use of NEC N738 mobile phone, including emergency services and safety precautions, general precautions, air safety rules and hospital safety rules
This manual explains the safety and emergency precautions for using the NEC N738 mobile phone, including handling of the battery, charging, and environmental restrictions. It also describes the proper way to operate the device, such as using the built‑in antenna, avoiding magnetic interference, and complying with regulatory radiation limits.
The guide includes a troubleshooting section that addresses common problems like poor signal reception, short standby time, SIM card errors, and failure to power on. It offers practical solutions such as moving to a stronger signal area, replacing the battery, and checking SIM card contacts, and advises contacting the network provider or authorized NEC service center when needed. This manual is written in Chinese.
| Display resolution | 128 × 160, 65K colors |
|---|---|
| Phone execution standard | Q/NM005 |
| Battery standard | GB/T 18287‑2000 |
| Charger standard | YD/AT 998‑1999 |
Short standby time may be caused by poor network coverage; move to a stronger signal area or replace the battery.
Check the battery charge; if the battery is depleted, charge it or replace it with a new one.
Make sure the SIM card is properly inserted, clean its metal contacts, and contact your network provider if the card is damaged.