Brand: Generic
Category: Mobile Phone
Document Type: Manual
Language: EN
Manual for L51
Uploaded: Nov. 21, 2025, 6:16 p.m.
Warranty Information
Manufacturer disclaims liability for damage from improper use; use contrary to manual instructions is not covered.
Getting Started
- Know Your Phone: Learn about the phone's features and buttons.
- Inserting SIM/SD Card: Instructions for inserting RUIM, SIM, and SD cards.
- Charging the Battery: How to charge the battery and notes on battery care.
Safety and Use
- General Safety: Regulations to avoid damaging the phone or using it illegally, including precautions near electronic devices, in hospitals, and in flammable/explosive areas.
- Vehicle Use: Guidelines for using the phone in a vehicle.
- Airplane Use: Instructions for using the phone on an aircraft.
- Storing Environment: Recommendations for storing the phone to avoid damage.
- Child Health: Safety measures regarding children and the phone.
- Operating Environment: Guidelines for using the phone in various environments.
Cleaning and Maintenance
- Instructions for cleaning and maintaining the phone and charger.
Protecting the Environment
- Proper disposal of packaging, batteries, and used phones.
Emergency Call
- Making emergency calls.
Using the Battery and Charger
- Guidelines for using approved batteries and chargers.
Troubleshooting and error codes
| # | Name | Function |
|---|---|---|
| 1 | Menu Key | To enter the option menu |
| 2 | Home Key | Short Press to return to home screen and long press to show the list off previous application opened |
| 3 | Return Key | Return to the previous menu or screen |
| 4 | Sensors | None. |
| 5 | EarPiece/LoudSpeaker | 1. Receiver the voice. To hear the voice of the other side when calling 2. To listen to music and other sounds offered by your phone. |
| 6 | Power Key | Long press To turn on / off the phone from, and short press to turn on / off the screen backlight or screen lock the phone |
| 7 | Earphone Jack | To connect your 3.5" hands free or audio port to connect an earphone, so you can listen to music/radio. |
| 8 | Micro-USB Port | To connect the charger or data cable to connect charger or USB data cable for data exchange. |
| 9 | Volume keys | To adjust the ringer volume, adjust the voice volume during a call, and adjust media volume |
| 10 | Flash Light | Brighten the environment when you capture images. |
| 11 | Rear Camera | Capturing images using rear camera |