Introduction
This manual provides essential information for setting up, operating, and maintaining your NUU A25 smartphone. Please read it thoroughly to ensure optimal performance and longevity of your device.
Image: Front and back view of the NUU A25 smartphone, highlighting its AMOLED 120Hz display and 50MP camera system.
What's in the Box
Verify that all items are present in your NUU A25 package:
- NUU A25 Smartphone
- Power Adapter (18W for fast charging)
- SIM Tray Ejector Tool
- Quick Start Guide (if included)
Setup
1. SIM Card Installation
- Locate the SIM tray on the side of your NUU A25.
- Insert the SIM tray ejector tool into the small hole next to the tray and press gently until the tray pops out.
- Place your Nano SIM card(s) into the designated slots. The NUU A25 supports Dual SIM functionality.
- If using a microSD card for expandable storage (up to 1TB), insert it into the dedicated slot. Note that if using two SIM cards, one SIM slot may share space with the microSD card slot.
- Carefully reinsert the SIM tray into the phone.
2. Initial Power On
Press and hold the power button until the NUU logo appears. Follow the on-screen instructions to complete the initial setup, including language selection, Wi-Fi connection, and Google account setup.
3. Data Transfer
If you are transferring data from an old phone, follow the prompts during the initial setup process. Android provides tools to transfer contacts, photos, and apps from your previous device.
4. APN Configuration (for International Travel)
For international use, some network operators may require manual APN (Access Point Name) configuration. Consult your destination carrier for specific APN settings if you experience connectivity issues abroad. You can typically find APN settings under Settings > Network & internet > Mobile network > Access Point Names.
Operating Your NUU A25
Display
The NUU A25 features a 6.7-inch AMOLED FHD+ display with a 120Hz refresh rate, providing smooth visuals and vibrant colors.
Image: The NUU A25's 6.7-inch AMOLED FHD+ display with a 120Hz refresh rate, showcasing smooth motion.
Image: The NUU A25's sleek screen design with ultra-narrow bezels and an in-display fingerprint scanner.
Camera System
Capture moments with the NUU A25's versatile camera system:
- Rear Camera: 50MP Main Camera, 2MP Macro Camera, VGA Bokeh Camera.
- Front Camera: 8MP.
The AI Camera features optimize photos, while Pro Mode offers manual controls for advanced photography. The Bokeh lens allows for depth-of-field effects.
Image: Detailed view of the NUU A25's triple rear camera setup and front camera specifications.
Image: Screenshots demonstrating the AI Camera and Pro Mode features available on the NUU A25.
Performance
The NUU A25 is powered by an Octa-Core MediaTek Helio G99 processor and 6GB of RAM, ensuring smooth multitasking and responsive application usage. It runs on a clean Android 13 operating system with no bloatware or ads.
Image: Visual representation of the NUU A25's Helio G99 processor, 128GB internal storage, 6GB RAM, and expandable microSD storage.
Storage
The device includes 128GB of internal storage. This can be expanded by up to 1TB using a microSD card (sold separately).
Battery
Equipped with a 5000mAh battery, the NUU A25 provides extended usage time. The included 18W power adapter supports fast charging, allowing the battery to charge from 30% to 80% in approximately 39 minutes.
Image: Illustration of the NUU A25's 5000mAh battery capacity and charging capability.
Security
The NUU A25 features an in-screen fingerprint sensor for secure and convenient unlocking of your device.
Connectivity
The NUU A25 supports 4G/LTE networks, Dual SIM functionality, Wi-Fi (802.11 a/b/g/n/ac, 2.4GHz/5GHz), Bluetooth 5.2, and GPS with A-GPS support. It uses a USB Type-C 2.0 port for charging and data transfer.
Carrier Compatibility
The NUU A25 is an unlocked phone compatible with various carriers. Please verify compatibility with your specific carrier.
Compatible Carriers (as of May 2024):
- AT&T
- Cricket
- T-Mobile
- Mint Mobile
- Metro by T-Mobile
- Q Link Wireless
- Gen Mobile
- Google Fi
- Hello Mobile
- Lycamobile
- Patriot Mobile
- Republic Wireless
- Simple Mobile
- SpeedTalk
- Telcel America
- Tello
- Access Wireless
- Ultra Mobile
- Unreal Mobile
- Walmart Family Mobile
Not Compatible With:
- Verizon
- Boost Mobile
- Tracfone
- Pulse Cellular
- Union Wireless
- Spectrum
- Any CDMA Carrier
Image: Visual guide to NUU A25 carrier compatibility, showing logos of supported and unsupported networks.
Maintenance
- Cleaning: Use a soft, lint-free cloth to clean the screen and body of the phone. Avoid harsh chemicals.
- Software Updates: Keep your phone's software updated to ensure optimal performance and security.
- Battery Care: Avoid extreme temperatures. For long-term storage, charge the battery to around 50%.
- Physical Protection: Consider using a protective case and screen protector to prevent damage from drops and scratches.
Troubleshooting
- Device Not Powering On: Ensure the battery is charged. Connect the phone to the charger for at least 15 minutes before attempting to power on again.
- Network Connectivity Issues: Check if your SIM card is properly inserted. Restart the device. Verify APN settings if necessary, especially for international use.
- Slow Performance: Close unused applications. Clear cache regularly. Ensure sufficient storage space is available.
- Battery Draining Quickly: Reduce screen brightness. Disable unnecessary background apps and services. Check for apps consuming excessive power in battery settings.
- Camera Malfunction: Restart the camera app or the phone. Ensure there are no physical obstructions on the camera lenses.
Specifications
Image: A summary of the NUU A25's key internal components and features.
| Feature | Specification |
|---|---|
| Model Name | A25 |
| Operating System | Android 13.0 |
| Screen Size | 6.7 Inches |
| Display Resolution | 1920 x 1080 (FHD+) |
| Refresh Rate | 120 Hz |
| Processor | Octa-Core MediaTek Helio G99 |
| RAM | 6 GB |
| Internal Storage | 128 GB |
| Expandable Storage | Up to 1 TB (microSD card) |
| Rear Camera | 50MP Main + 2MP Macro + VGA Bokeh |
| Front Camera | 8MP |
| Battery Capacity | 5000 Milliamp Hours (mAh) |
| Charging Time | Approx. 39 minutes (30% to 80%) |
| Connectivity | 4G LTE, Dual SIM, Wi-Fi (802.11 a/b/g/n/ac), Bluetooth 5.2, GPS |
| USB Port | USB Type-C 2.0 |
| Audio Jack | 3.5 mm |
| Security | In-screen Fingerprint Sensor |
| Dimensions | 6.4 x 3 x 0.26 inches |
| Item Weight | 12.3 ounces |
| Color | Champagne Gold |
Warranty and Support
The NUU A25 comes with a 12-month manufacturer warranty service. For any questions or assistance regarding your product, please contact our customer service team. When contacting support, have your order ID available for faster service.
Contact Information: Refer to the contact details provided with your purchase or visit the official NUU Mobile website for support options.
