1. Introduction
This manual provides comprehensive instructions for the safe and efficient use of your BLU Z5 Z210 2G Cell Phone. Please read this manual thoroughly before operating your device to ensure proper functionality and to avoid any potential issues. The BLU Z5 is designed for essential communication, featuring a compact design and core mobile functionalities.
2. Package Contents
Upon opening the package, please verify that all items listed below are present and in good condition:
- BLU Z5 Z210 2G Cell Phone
- Battery (1 Lithium Ion battery included)
- Charger
- User Manual (this document)
3. Device Overview
Familiarize yourself with the physical components of your BLU Z5 Z210 phone.

Figure 3.1: Front and back view of the BLU Z5 Z210 2G Cell Phone. The front displays the screen and keypad, while the back shows the textured battery cover and camera lens.

Figure 3.2: Top-down perspective of the BLU Z5 Z210 2G Cell Phone, highlighting its compact form factor.

Figure 3.3: Another angled view of the BLU Z5 Z210 2G Cell Phone, showcasing its design.
3.1 Key Components
- Display: 1.8-inch color screen.
- Keypad: Alphanumeric keys for dialing and text input, navigation keys, call/end keys.
- Camera: VGA camera located on the rear.
- Speaker/Earpiece: For calls and audio playback.
- Microphone: For voice input during calls.
- Charging Port: For connecting the charger.
- Flashlight: Built-in LED light.
4. Setup
4.1 Inserting SIM Card(s)
The BLU Z5 supports Dual SIM functionality. Ensure your SIM cards are compatible with 2G GSM networks (850/900/1800/1900 MHz).
- Power off the phone and remove the back cover.
- Remove the battery.
- Locate the SIM card slots. Insert your SIM card(s) into the designated slots with the gold contacts facing down.
- Ensure the SIM cards are securely seated.
4.2 Inserting MicroSD Card
The phone supports MicroSD cards up to 32GB for expanded storage.
- With the back cover and battery removed, locate the MicroSD card slot.
- Gently slide the MicroSD card into the slot until it clicks into place.
4.3 Battery Installation and Charging
The BLU Z5 comes with a 600mAh Lithium Ion battery.
- Align the battery contacts with the terminals inside the battery compartment.
- Gently press the battery down until it is securely in place.
- Replace the back cover.
- Connect the charger to the phone's charging port and plug it into a power outlet. Allow the phone to charge fully before first use.
4.4 Initial Power On/Off
- To Power On: Press and hold the Power/End Call key until the screen lights up.
- To Power Off: Press and hold the Power/End Call key until the power off options appear, then select "Power off".
5. Operating Your Phone
5.1 Basic Navigation
- Use the Navigation Keys (Up, Down, Left, Right) to scroll through menus and options.
- Press the Center Key (OK/Select) to confirm selections.
- Press the Left Soft Key to access the main menu or context-sensitive options.
- Press the Right Soft Key to go back or cancel.
5.2 Making and Receiving Calls
- To Make a Call: Enter the phone number using the keypad and press the Call Key (green button).
- To Answer a Call: Press the Call Key when the phone rings.
- To End a Call: Press the End Call Key (red button).
5.3 Messaging (SMS)
To send and receive text messages:
- From the main menu, navigate to "Messages".
- Select "Write message" or "New SMS".
- Enter your message using the keypad.
- Enter the recipient's phone number or select from contacts.
- Select "Send".
5.4 Contacts
Store and manage your phone numbers in the Contacts menu.
- Add New Contact: Go to "Contacts" > "Options" > "Add new contact". Enter the name and number, then save.
- Search Contact: From the Contacts menu, type the first few letters of the contact's name.
5.5 Multimedia Features
- MP3 Player: Access the MP3 player from the main menu to play audio files stored on your phone or MicroSD card.
- MP4 Player: View video files using the MP4 player.
- FM Radio: The built-in FM antenna allows you to listen to FM radio stations without needing headphones. Navigate to the FM Radio application and scan for available stations.
- Camera: The VGA camera allows you to capture photos. Access the camera from the main menu.
5.6 Flashlight
To activate the built-in flashlight, typically press and hold a specific key (refer to your phone's on-screen prompts or quick settings menu for exact activation). Press again to turn off.
5.7 Additional Tools
- Alarm Clock: Set multiple alarms with customizable tones and repeat options.
- Calendar: Keep track of dates and schedule events.
6. Maintenance
6.1 Battery Care
- Use only BLU-approved chargers and batteries.
- Avoid exposing the battery to extreme temperatures.
- Do not puncture, disassemble, or short-circuit the battery.
- If the phone will not be used for an extended period, charge the battery to about 50% and store it in a cool, dry place.
6.2 Cleaning
- Wipe the phone's surface with a soft, lint-free cloth.
- Do not use harsh chemicals, cleaning solvents, or strong detergents.
- Keep the charging port and other openings free of dust and debris.
6.3 Storage
Store your phone in a dry environment, away from direct sunlight, extreme temperatures, and corrosive materials.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Phone does not power on | Battery is drained or not properly installed. | Charge the battery. Ensure the battery is correctly inserted. |
| No network signal | SIM card not inserted correctly or not activated. Out of network coverage. | Reinsert SIM card(s). Contact your service provider to ensure SIM is active. Move to an area with better coverage. |
| Cannot make/receive calls | No network signal. Incorrect dialing format. Call barring enabled. | Check network signal. Verify dialing format. Disable call barring if active. |
| Battery drains quickly | Excessive usage. Old battery. | Reduce usage. Consider replacing the battery if it's old. |
| Phone freezes or is unresponsive | Software glitch. | Remove and reinsert the battery to force a restart. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | BLU Z5 2G |
| Display | 1.8 inches, 128 x 160 resolution |
| Internal Memory | 32MB |
| RAM | 32MB |
| Expandable Storage | MicroSD Slot up to 32GB |
| Camera | VGA Camera |
| Battery Capacity | 600mAh Lithium Ion |
| Talk Time | Up to 2.5 Hours |
| Network Compatibility | GSM 850/900/1800/1900 (2G) |
| SIM Support | Dual SIM |
| Operating System | Basic Proprietary OS |
| Dimensions | 4.61 x 2.6 x 2.05 inches (Package Dimensions) |
| Item Weight | 4.6 ounces |
| Features | Built-in FM Antenna, MP3/MP4 Player, Flashlight, Alarm Clock, Calendar |
9. Warranty and Support
Your BLU Z5 Z210 2G Cell Phone is covered by a limited warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support, service, or warranty claims, please contact BLU customer service through their official website or the contact information provided with your purchase documentation.
For the latest information and support resources, visit the official BLU website: www.bluproducts.com





