1. Introduction
The DOOGEE N55 is an affordable smartphone designed for seamless and efficient operation. Featuring the latest Android 14 OS, a large 6.56-inch HD+ 90Hz IPS display, a powerful Spreadtrum T606 Octa Core processor, and a long-lasting 5150mAh battery, it offers a balanced experience for daily use, gaming, and multimedia. This manual provides essential information to help you get started and make the most of your device.
2. Package Contents
Please check the box for the following items:
- 1 x DOOGEE N55 Smartphone
- 1 x Type-C Cable
- 1 x Charger
- 1 x TP Protective Film (Pre-applied)
- 1 x TPU Protective Case
- 1 x SIM Card Removal Needle
- 1 x Packing Box
- 1 x User Manual
- 1 x Warranty Card
3. Device Overview
Familiarize yourself with the physical features of your DOOGEE N55 smartphone.
4. Setup
4.1. SIM Card and Storage Installation
- Locate the SIM card tray on the side of your phone.
- Insert the SIM card removal needle into the small hole next to the tray to eject it.
- Place your Nano-SIM card(s) and/or TF card (for expandable storage up to 1TB) into the designated slots on the tray. The memory card slot is shared with one of the SIM slots.
- Carefully reinsert the tray into the phone.
4.2. Powering On/Off
- To Power On: Press and hold the Power button (usually on the right side) until the DOOGEE logo appears.
- To Power Off: Press and hold the Power button, then select 'Power off' from the options on the screen.
4.3. Initial Setup
Upon first power-on, follow the on-screen prompts to complete the initial setup, including language selection, Wi-Fi connection, Google account login, and security settings.
5. Operating Your Smartphone
5.1. Display
The DOOGEE N55 features a 6.56-inch HD+ 90Hz IPS Waterdrop Screen, offering a smooth and immersive visual experience. Key display features include:
- Aspect Ratio: 20:9
- Screen-to-Body Ratio: 90%
- Colors: 16.7 million colors
- Brightness: 350cd/m²
- Contrast: 1500:1
- Vacuum Coating: State-of-the-art anti-fingerprint technology keeps the screen pristine.
- Ultra-Narrow Bezel: Slim borders for an expansive viewing area.
5.2. Performance
The DOOGEE N55 is powered by a Spreadtrum T606 Octa Core processor clocked at 1.6GHz, ensuring smooth performance for various tasks. It comes with 4GB of RAM, expandable up to 9GB with virtual RAM, and 128GB of internal storage, which can be further expanded up to 1TB using a TF card.
5.3. Camera
Capture stunning photos and videos with the DOOGEE N55's camera system:
- Main Camera: 13MP AI Main Camera
- Front Camera: 8MP Front Camera
- HDR Mode: Ensures clear photos even in high-contrast situations by balancing exposure.
- Night Mode: Enhances clarity and vividness in low-light conditions.
5.4. Battery
Equipped with a massive 5150mAh battery, the DOOGEE N55 provides long-lasting endurance. Expected battery life includes:
- Standby: 419 Hours
- Calling: 36 Hours
- Music Playback: 35 Hours
- Video Watching: 9.5 Hours
The phone also features a self-developed intelligent battery management system that supports charging even at temperatures above -10°C.
5.5. Software
The DOOGEE N55 runs on the latest Android 14 OS, offering a seamless and efficient user experience. Android 14 includes advanced privacy and security features, along with intelligent management options for personalized settings and optimized application performance.
5.6. Connectivity
- Cellular: Supports 2G, 3G, and 4G networks (GSM: B2/3/5/8; WCDMAB: 1/2/4/5/8; TDD: 38/40/41; FDD: B1/2/3/4/5/7/8/18/19/20/25/26/28A/28B/66).
- Wi-Fi: Dual-Band Wi-Fi (2.4G/5G) with 802.11ac/a/b/g/n standards.
- Bluetooth: BT5.0 for wireless connections.
- Other: FM Radio support, OTG (On-The-Go) support.
5.7. Navigation
The DOOGEE N55 features an accurate navigation system supporting multiple global positioning systems:
- GPS
- Glonass
- Galileo
- Beidou
5.8. Security
The DOOGEE N55 supports Face Unlock technology, providing instant and secure access to your phone and applications with a simple glance.
5.9. Languages
The device supports 48 languages, including but not limited to: English, Spanish, Portuguese (Brazil), Portuguese (Portugal), Italian, German, French, Russian, Arabic, Malay, Thai, Greek, Ukrainian, Croatian, Czech, Simplified Chinese, Traditional Chinese.
6. Maintenance
To ensure the longevity and optimal performance of your DOOGEE N55, follow these maintenance guidelines:
- Screen Care: The screen features a vacuum coating for anti-fingerprint properties. Clean the screen regularly with a soft, lint-free cloth. Avoid harsh chemicals or abrasive materials.
- Temperature: Operate the phone within recommended temperature ranges. The intelligent battery management system supports charging above -10°C, but extreme temperatures can still affect battery life and device performance.
- Physical Protection: Use the provided TPU protective case to guard against drops and scratches.
- Software Updates: Keep your Android 14 OS updated to benefit from the latest security patches and performance improvements.
7. Troubleshooting
If you encounter issues with your DOOGEE N55, try the following common troubleshooting steps:
- Restart Device: A simple restart can often resolve minor software glitches.
- Check Connections: Ensure SIM cards are correctly inserted and Wi-Fi/Bluetooth connections are stable.
- Software Issues: If an app is misbehaving, try clearing its cache or reinstalling it.
- Factory Reset: As a last resort for persistent software problems, you may perform a factory reset. Back up all important data before proceeding, as this will erase all data on the device.
Important: If you experience any problems after receiving the product, please contact customer service for assistance. Do not leave negative feedback prematurely; we are committed to helping you resolve any issues.
8. Specifications
| Feature | Specification |
|---|---|
| Brand Name | DOOGEE |
| Model | N55 |
| Operation System | Android 14 |
| Display Size | 6.52 inch |
| Screen Refresh Rate | 90 Hz |
| Display Resolution | 720 x 1612 |
| Screen Material | LCD |
| Touch Screen | Yes |
| CPU Model | Spreadtrum T606 Octa Core (Other) |
| RAM | 4GB (Up to 9GB Extended) |
| ROM | 128GB |
| Memory Card Type | Shared with SIM slot (Expandable up to 1TB) |
| Rear Camera Quantity | 3 (13MP Main Camera) |
| Rear Camera Pixel | 13MP |
| Front Camera Quantity | 1 (8MP) |
| Front Camera Pixel | 8MP |
| Video Recording Resolution | HD (720p) 30 fps, VGA (480p) |
| Battery Capacity (mAh) | 5150mAh |
| Battery Type | Not Detachable |
| Charging Interface Type | Type-C |
| Fast Charging | Nonsupport |
| Wireless Charging | No |
| Biometrics Technology | Face Recognition |
| 3.5mm Headphone Port | Yes |
| Cellular | 3G, 2G, 4G |
| SIM Card Quantity | 2 SIM Card |
| WIFI | Yes (802.11ac, 802.11b/g, 802.11a) |
| Bluetooth Version | YES (BT5.0) |
| NFC | No |
| Built-in GPS | Yes (GPS | Glonass | Galileo | Beidou) |
| Certification | CE, FCC, RoHS |
| Item Condition | New |
| Design | Flip |
| Origin | Mainland China |
9. User Tips
- SIM Card Insertion: Always ensure your SIM card(s) are correctly oriented and fully seated in the tray before inserting it into the phone to avoid connectivity issues.
- Battery Optimization: While the 5150mAh battery offers long life, closing unused apps and reducing screen brightness can further extend usage time.
- Storage Management: Regularly check your storage usage. Utilize the expandable storage option for large files like photos and videos to keep internal memory free for apps.
- Software Updates: Keep your device's software up to date to benefit from performance enhancements and security patches.
10. Warranty and Support
Your DOOGEE N55 Smartphone comes with a Warranty Card included in the package. Please refer to this card for detailed warranty terms and conditions.
For any technical support or inquiries, please contact the seller, Intelligent Trading Store, directly. They are equipped to provide assistance with product-related issues.
11. Product Video Overview
Watch this video for a visual overview of the DOOGEE N55 Smartphone's features and design.
