1. Introduction
Welcome to the user manual for your new Logic Z1L 4G Dual Screen Flip Phone. This guide provides comprehensive instructions on how to set up, operate, and maintain your device. The Logic Z1L combines modern 4G connectivity with a classic flip phone design, featuring dual screens for enhanced convenience and a VGA camera for capturing moments.
2. Product Overview
The Logic Z1L is designed for ease of use and portability. Key features include:
- Dual Screen Design: Features two screens for convenient multitasking and navigation.
- 4G Connectivity: Ensures fast and reliable internet access.
- Integrated VGA Camera: For capturing quick snapshots.
- Compact and Portable: Flip design for easy carrying.
- Long Battery Life: Efficient power management for extended usage.

Figure 2.1: The Logic Z1L 4G Dual Screen Flip Phone in its partially open state, highlighting its dual-screen functionality and compact form factor. The internal screen displays a vibrant image, while the external screen features the camera lens and the Logic brand logo.
3. Setup
3.1. Charging the Battery
- Connect the provided power adapter to the USB Type-C port on the phone.
- Plug the power adapter into a wall outlet.
- Allow the phone to charge fully before first use. The battery indicator on the screen will show charging status.
3.2. Inserting the SIM Card
- Power off the phone and remove the back cover.
- Locate the SIM card slot(s). The Logic Z1L supports dual SIM cards.
- Carefully insert your 4G compatible SIM card(s) into the designated slot(s) with the gold contacts facing down.
- Replace the back cover and power on the phone.
3.3. Initial Language Setup
Upon first power-on, you may be prompted to select your preferred language. Follow the on-screen instructions to set the device language to English or your desired language.
4. Operating Instructions
4.1. Powering On/Off
- To power on: Press and hold the Power/End Call button until the screen lights up.
- To power off: Press and hold the Power/End Call button, then select "Power off" from the options.
4.2. Making and Receiving Calls
- To make a call: Dial the number using the keypad and press the Call button.
- To receive a call: Press the Call button when the phone rings.
- To end a call: Press the Power/End Call button.
4.3. Using the Dual Screens
The Logic Z1L features an internal main display and an external secondary display. The external display shows notifications, time, and caller ID when the phone is closed. Opening the phone activates the main internal display for full functionality.
4.4. Camera Operation
- To access the camera: Navigate to the Camera application from the main menu.
- To take a photo: Frame your shot and press the designated camera button or the center navigation key.
- Photos are saved to the phone's internal memory or an inserted microSD card.
4.5. Messaging
- To send an SMS/MMS: Go to the Messaging application, select "New Message," enter the recipient's number and your message.
- Use the alphanumeric keypad to type messages.
4.6. FM Radio
The phone includes an FM radio. Access it from the applications menu. Headphones may be required for optimal reception, though some models may support antenna-free listening.
5. Maintenance
- Keep the phone dry. Moisture can damage electronic circuits.
- Avoid extreme temperatures. High temperatures can shorten the life of electronic devices and damage batteries.
- Do not use harsh chemicals, cleaning solvents, or strong detergents to clean the phone. Wipe it with a soft, dry cloth.
- Handle the phone gently. Do not drop, knock, or shake the device.
- Ensure the charging port is free of dust and debris to maintain proper charging.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Phone does not power on. | Battery is depleted or not properly inserted. | Charge the battery for at least 30 minutes. Ensure the battery is correctly seated. |
| Cannot make or receive calls. | No SIM card, SIM card not properly inserted, or no network signal. | Check SIM card insertion. Move to an area with better network coverage. Contact your service provider. |
| Battery charges slowly or not at all. | Faulty charger, cable, or charging port. | Use the original charger and cable. Ensure the charging port is clean. Try a different outlet. |
| Unwanted bell sound when opening/closing. | Feature enabled in sound settings. | Navigate to the phone's sound or profile settings and look for options related to flip sound or opening/closing tones to disable it. |
| Phone is in an unfamiliar language. | Language setting was changed. | Access the phone's settings menu (usually represented by a gear icon) and locate the language option to switch back to English. Consult the manual's setup section for initial language setup guidance. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Logic |
| Model Name | Z1L |
| Operating System | Genric |
| Processor Type | Snapdragon |
| Screen Size | 1.77 Inches |
| Display Resolution | 640 x 480 |
| Camera Resolution | VGA (640 x 480) |
| Flash Memory Installed Size | 32 MB |
| Digital Storage Capacity | 32 MB |
| Battery Capacity | 1000 Milliamp Hours |
| Battery Type | Lithium Ion |
| Cellular Technology | 4G |
| Connector Type | USB Type-C |
| Form Factor | Flip |
| Color | Black |
| Parcel Dimensions | 9.8 x 8.4 x 5.4 cm; 180 g |
8. Warranty and Support
For information regarding warranty coverage, please refer to the warranty card included with your product or contact the seller/manufacturer directly. Keep your proof of purchase for warranty claims.
For technical support or further assistance, please contact Logic customer service through their official website or the contact information provided with your purchase.
Manufacturer: Logic
Model: Z1L





