1. Introduction
The L8star BM10 is a compact, feature-rich mini phone designed for portability and versatility. It can function as a standalone mobile phone with a Nano SIM card or as a Bluetooth dialer/headset for your smartphone. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device.

L8star BM10 Mini Phone in hand, highlighting its small size and low radiation feature.
2. What's in the Box
- 1 x L8star BM10 Mini Phone
- 1 x USB Charging Cable
- 1 x User Manual
3. Product Overview
Key Features
- Voice Changer: Modify your voice during calls for privacy or entertainment.
- Bluetooth Dialer: Connect to your smartphone to make and receive calls, and sync messages.
- Dual SIM Card Support: Use two Nano SIM cards simultaneously or one Nano SIM and one TF card for expanded storage.
- Compact Design: Extremely small and lightweight, ideal for travel or as a secondary phone.
- Low Radiation: Designed with reduced radiation levels compared to standard mobile phones.
- Clear Voice & Vibration: Equipped with a quality speaker for clear audio and a vibration mode for discreet alerts.
- Long Battery Life: Features a 350 mAh lithium-ion battery for extended standby and talk time.

L8star BM10 Mini Phone with a graphic indicating low radiation levels, next to a sleeping person.

L8star BM10 Mini Phone showing a speaker icon, indicating clear voice quality and vibration mode.

L8star BM10 Mini Phone displaying a battery icon and a gauge, illustrating its long battery life.
4. Setup
4.1 Battery Installation and Initial Charge
- Carefully remove the back cover of the phone.
- Locate the battery compartment. If the battery is already inserted, ensure the yellow protective tape is removed from the battery terminals. This tape is for transit safety and must be removed for the phone to power on.
- Insert the battery, ensuring the contacts align correctly.
- Replace the back cover.
- Connect the phone to a power source using the provided USB cable and a compatible charger. Fully charge the phone before its first use to optimize battery life.
4.2 SIM Card and TF Card Installation
The L8star BM10 supports dual Nano SIM cards or one Nano SIM card and one TF (MicroSD) card for external memory.
- With the phone powered off and the back cover removed, locate the SIM card slots.
- Insert your Nano SIM card(s) into the designated slots, ensuring the gold contacts face downwards and the cut corner aligns with the slot's orientation.
- If using a TF card for additional storage (up to 8GB), insert it into the dedicated TF card slot.
- Replace the back cover.

L8star BM10 Mini Phone with graphics showing dual SIM card slots and an option for a TF card.
4.3 Network Compatibility
This device operates on GSM 850/900/1800/1900 MHz networks. It is unlocked and compatible with carriers like T-Mobile or Metro PCS. It will not work with AT&T, Sprint, Verizon, or Boost networks.
5. Operating Instructions
5.1 Power On/Off
- To Power On: Press and hold the Power/End Call button (usually marked with a red phone icon) until the screen lights up.
- To Power Off: Press and hold the Power/End Call button until the power-off options appear, then select 'Power Off' or continue holding until the device shuts down.
5.2 Making and Receiving Calls (Standalone Mode)
- To Make a Call: Enter the phone number using the keypad and press the Call/Send button (usually marked with a green phone icon).
- To Receive a Call: When the phone rings, press the Call/Send button to answer.
- To End a Call: Press the Power/End Call button.
5.3 Bluetooth Dialer Function
The BM10 can connect to your smartphone via Bluetooth and act as a dialer, allowing you to make and receive calls through your smartphone's network.
- Ensure Bluetooth is enabled on both your L8star BM10 and your smartphone.
- On your BM10, navigate to the Bluetooth settings and search for available devices.
- Select your smartphone from the list and pair the devices. Follow any on-screen prompts or enter a passcode if required.
- Once paired, you can use the BM10 to dial numbers, answer calls, and potentially sync messages from your smartphone.

L8star BM10 Mini Phone functioning as a Bluetooth dialer, connected to a smartphone.
5.4 Voice Changer
The voice changer feature allows you to alter your voice during calls. An active SIM card is required for this function to work.
- During an active call, navigate to the voice changer option in the phone's menu (specific steps may vary based on firmware).
- Select your desired voice effect (e.g., male, female, child, robot).
- Your voice will be modified for the duration of the call or until you disable the feature.

L8star BM10 Mini Phone with a microphone icon and various emoji faces, illustrating its voice changer feature.
6. Maintenance
6.1 Cleaning
- Use a soft, dry cloth to clean the phone's exterior.
- Avoid using liquid cleaners, aerosols, or harsh chemicals, as these can damage the device.
6.2 Battery Care
- Avoid exposing the battery to extreme temperatures (hot or cold).
- Do not puncture, disassemble, or short-circuit the battery.
- If the phone will not be used for an extended period, charge it to about 50% before storing.
6.3 Storage
- Store the phone in a cool, dry place away from direct sunlight and moisture.
- Keep out of reach of children and pets.
7. Troubleshooting
- Phone does not power on: Ensure the yellow protective tape has been removed from the battery terminals. Fully charge the battery.
- No network signal: Check if the SIM card is correctly inserted. Verify that your SIM card supports GSM 850/900/1800/1900 MHz and is from a compatible carrier (e.g., T-Mobile, Metro PCS).
- Bluetooth connection issues: Ensure Bluetooth is enabled on both devices. Make sure both devices are within range. Try unpairing and re-pairing the devices.
- Voice changer not working: An active SIM card must be inserted in the phone for the voice changer feature to function.
- Short battery life: Ensure the phone is fully charged before use. Reduce screen brightness or disable unnecessary features if available.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | BM10 |
| Brand | L8star |
| Operating System | Bluetooth OS |
| RAM | 32 MB |
| Internal Storage (ROM) | 32 MB |
| External Memory Support | TF card up to 8 GB (not included) |
| Screen Size | 0.66 inches |
| Screen Resolution | 240 x 320 |
| Screen Type | OLED |
| Network Technology | 2G GSM (850/900/1800/1900 MHz) |
| SIM Card Type | Nano SIM |
| SIM Card Slots | Dual SIM |
| Bluetooth Version | BT3.0 |
| Connectivity | Bluetooth, Micro USB |
| Battery Capacity | 350 mAh (Lithium-ion) |
| Talk Time | Up to 3 hours |
| Standby Time | 72-120 hours |
| Dimensions | 17.4 x 8.2 x 3.2 cm |
| Weight | 50 g |
| Camera | No camera |
| Water Resistance | Not water resistant |
| Additional Features | Alarm, Voice Changer |
9. Warranty and Support
For warranty information and customer support, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your purchase receipt as proof of purchase for any warranty claims.




