Introduction
Thank you for purchasing the BALMUDA Phone. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device. Please read this manual thoroughly before using your phone to ensure proper and safe operation.
1. Setup
1.1 Unboxing and Initial Inspection
Carefully remove all components from the packaging. Verify that all items are present:
- BALMUDA Phone (X01A-WH)
- USB-C Cable
- SIM Ejector Tool
- Quick Start Guide
Inspect the device for any physical damage before proceeding.
1.2 Inserting the SIM Card
- Locate the SIM card tray on the side of the phone.
- Insert the SIM ejector tool into the small hole next to the tray and press gently until the tray pops out.
- Place your nano-SIM card onto the tray with the gold contacts facing down and the cut corner aligned.
- Carefully push the tray back into the slot until it is flush with the phone's body.
1.3 Initial Charging and Power On
Before first use, it is recommended to fully charge the BALMUDA Phone.
- Connect the USB-C cable to the phone's charging port and the other end to a compatible USB PD3.0 charger (not included) or a standard USB power adapter.
- The phone supports wireless charging. Place the phone on a compatible Qi-certified wireless charging pad for convenient charging.
- To power on, press and hold the Power button located on the side of the device until the BALMUDA logo appears.

Figure 1: Front view of the BALMUDA Phone with its home screen displayed.

Figure 2: Back view of the BALMUDA Phone, highlighting the rear camera and the engraved BALMUDA logo.

Figure 3: Side profile of the BALMUDA Phone, illustrating its unique curved design.
2. Operating Instructions
2.1 Basic Functions
- Power On/Off: Press and hold the Power button. Select 'Power off' or 'Restart' from the on-screen menu.
- Volume Control: Use the Volume Up and Volume Down buttons on the side of the device to adjust media, call, and alarm volumes.
- Screen Lock/Unlock: Briefly press the Power button to lock or unlock the screen.
2.2 Display and Navigation
The BALMUDA Phone features a 4.9-inch Full HD display (1920x1080 pixels). Navigate the interface using touch gestures:
- Tap: Select an item or open an app.
- Swipe: Scroll through lists or switch between home screens.
- Pinch-to-zoom: Enlarge or reduce content on the screen.
2.3 Camera Usage
The phone is equipped with a 48-megapixel rear camera (max 12MP recording) and an 8-megapixel front camera.
- Open the Camera app from the home screen or app drawer.
- Tap the shutter button to take a photo.
- Switch between front and rear cameras using the camera toggle icon.
- Explore various modes and settings within the camera app for optimal results.

Figure 4: The BALMUDA Phone's camera interface, capturing a meal.
2.4 Biometric Authentication (Fingerprint)
The BALMUDA Phone supports fingerprint authentication for secure unlocking and app access.
- Go to Settings > Security > Fingerprint.
- Follow the on-screen instructions to register your fingerprint.
- Once registered, you can use your fingerprint to unlock the device or authorize purchases.
2.5 NFC and FeliCa
The device is equipped with NFC (TypeA/B/F) and FeliCa capabilities, enabling contactless payments and data exchange.
- Ensure NFC is enabled in Settings > Connected devices > NFC.
- To use FeliCa for payments, set up your preferred payment method in a compatible app.
- Tap the back of your phone to a compatible reader to complete transactions or exchange data.

Figure 5: The BALMUDA Phone showing its calendar application with scheduled events.

Figure 6: The BALMUDA Phone displaying a content feed with various articles and images.
3. Maintenance
3.1 Cleaning Your Device
To maintain the appearance and functionality of your BALMUDA Phone:
- Use a soft, lint-free cloth to wipe the screen and body.
- Avoid using harsh chemicals, abrasive cleaners, or aerosol sprays.
- Do not spray cleaners directly onto the phone.
3.2 Water and Dust Resistance
The BALMUDA Phone is rated IPX4 for splash resistance and IP4X for dust resistance. This means it is protected against splashing water from any direction and against solid objects larger than 1.0 mm.
- Do not intentionally submerge the phone in water.
- Avoid exposing the phone to high-pressure water jets.
- Ensure all ports and covers are securely closed to maintain resistance.
3.3 Battery Care
The phone is equipped with a 2,500mAh battery. To prolong battery life:
- Avoid extreme temperatures.
- Do not leave the phone fully charged or fully discharged for extended periods.
- Use only approved chargers and cables.
4. Troubleshooting
This section addresses common issues you might encounter with your BALMUDA Phone.
| Problem | Possible Cause | Solution |
|---|---|---|
| Phone does not power on. | Low battery; software crash. | Charge the phone for at least 30 minutes. Perform a forced restart by holding the Power button for 10-15 seconds. |
| Apps are slow or unresponsive. | Too many apps running; low memory. | Close background apps. Restart the phone. Clear app cache in Settings. |
| Cannot connect to Wi-Fi. | Incorrect password; router issue; Wi-Fi disabled. | Check Wi-Fi password. Restart router. Toggle Wi-Fi off and on in phone settings. |
| Poor call quality. | Weak signal; network congestion. | Move to an area with better signal. Try restarting the phone. |
If you encounter issues not listed here or if the suggested solutions do not resolve the problem, please refer to the Warranty and Support section for further assistance.
5. Specifications
Detailed technical specifications for the BALMUDA Phone (Model: X01A-WH).
| Feature | Specification |
|---|---|
| Display Size | 4.9 inches |
| Display Type | LCD |
| Resolution | Full HD (1920x1080 dots, 454(H)x449(V)ppi) |
| Weight | Approx. 138g |
| Internal Memory (ROM) | 128GB |
| RAM | 6GB |
| Battery Capacity | 2,500mAh |
| Rear Camera | Approx. 48 million pixels (max 12MP recording), F-value 1.8 |
| Front Camera | Approx. 8 million pixels, F-value 2.0 |
| CPU | Qualcomm Snapdragon 765 (2.3GHz/1 core + 2.2GHz/1 core + 1.8GHz/6 cores) |
| Operating System | Android |
| Biometric Authentication | Fingerprint authentication |
| NFC | TypeA/B/F (FeliCa) |
| Charging Method | USB PD3.0 / Wireless charging compatible |
| Waterproof/Dustproof | IPX4 (splash-proof) / IP4X |
| Product Model Number | X01A-WH |
| First Available Date | August 30, 2021 |
6. Warranty and Support
Your BALMUDA Phone is covered by the standard Amazon warranty. For any initial defects or unclear points regarding your product, please contact Amazon Customer Service directly.
Amazon Customer Service: 0120-999-373 (Japan)
Please have your purchase details and product model number (X01A-WH) ready when contacting support.