Brand: NEC
Category: Mobile Phone
Document Type: Manual
Language: EN
Manual for N512i
Uploaded: Nov. 21, 2025, 7:41 p.m.
- Emergency Services: Press 112 for emergency calls.
- General Care: Avoid liquids, extreme temperatures, and rough handling. Clean with a damp cloth.
- Aircraft/Hospital Safety: Switch off phone in aircraft and prohibited areas.
- Road Safety: Always maintain control of your vehicle. Do not use phone while driving unless essential.
- Radio Frequency Energy: Phone is designed to meet exposure limits. Keep phone away from body for optimal use.
- Getting Started: Insert SIM card and charge battery. Turn phone on/off by holding the power key.
- Basic Calls & Phone Use: Make calls by keying in number and pressing , or SK1. End calls by pressing SK2 or closing phone. Receive calls by pressing or SK1. Reject calls by pressing or SK2.
Troubleshooting and error codes
| Key | Operation that involves pressing a key | See page | Operation that involves pressing and holding a key | See page |
|---|---|---|---|---|
| MENU | Accessing the Main menu screen | x | Setting/Cancelling the Side key lock | 24 |
| SK1 | Accessing the Mail screen | 48 | Accessing the Inbox screen | 48 |
| SK2 | Accessing the i-mode menu screen | 44 | Accessing the Java™ applications screen | 75 |
| Accessing the Phonebook list screen | 54 | Accessing the Message screen | 31 | |
| Accessing the Phone modes screen | 25 | Setting the phone to Meeting mode/Returning to the previous mode | 25 | |
| Accessing the My data screen | 69 | Accessing the voice recall | 9 | |
| Accessing the received calls list | 13 | - | - | |
| Accessing the missed calls list | 13 | - | - | |
| Accessing the dialled calls list | 13 | - | - | |
| Highlighting a desktop icon | 22 | Accessing the homepage | 45 | |
| Ending a call or returning to the standby screen | S | Powering off | 5 | |
| Cancelling the Cell Broadcast message display | 37 | Deleting all the automatically displayed desktop icons | 21 | |
| CLR | Deleting character or returning to the previous screen | Deleting all characters when you enter text | ||
| 1 | Entering phone numbers | 6 | Calling the Voice mail centre | 61 |
| 2 to 9 | Entering phone numbers | 6 | One-touch dial to the corresponding number in the phonebook(SIM) | 8 |
| 0 | Entering phone numbers | 6 | Entering + when you make an international call | 15 |
| # | Entering # | 6 | Entering a pause | |
| * | Entering * | 6 | Switching the ALS line 1/2 (if the SIM card supports ALS) | 24 |
| Side up | Accessing the volume control screen when your phone is open (Use ▼, Side keys or 0 to 9 keys to adjust the volume.) | 24 | Accessing the camera view finder screen | 63 |
| Side down | Activating the ring silencer function when you receive a call | 24 | - | - |