DOOGEE N55 Smartphone User Manual

1. Product Overview

The DOOGEE N55 is a global version smartphone featuring a 6.56-inch 90Hz screen, an Octa-core processor, Android 14 (some models may show Android 14 but are upgraded to Android 16 due to outdated resource packs), a 5150mAh large battery, and a triple 13MP camera system. It boasts a refined and elegant design, is ultra-lightweight (186g), and ultra-thin (8.6mm).

1.1 Package Contents

Ensure all the following items are present in your product package:

• 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 (PDF reference: View PDF)
• 1 x Warranty Card

2. Setup Guide

2.1 Device Layout

Familiarize yourself with the physical layout of your DOOGEE N55 smartphone:

• Front View: Features a waterdrop notch, earpiece, and front camera.
• Right Side: Contains the volume up/down buttons and the power button.
• Left Side: Houses the SIM tray.
• Bottom: Includes the speaker, USB Type-C port, and microphone.

2.2 Inserting SIM Cards and TF Card

The DOOGEE N55 supports two Nano-SIM cards or one Nano-SIM and one TF (microSD) card for expandable storage.

1. Locate the SIM tray on the left side of the phone.
2. Insert the SIM Card Removal Needle into the small hole next to the SIM tray to eject it.
3. Carefully pull out the SIM tray.
4. Place your Nano-SIM cards and/or TF card into the designated slots on the tray. Ensure they are correctly oriented.
5. Gently push the SIM tray back into the phone until it clicks into place.

2.3 Initial Charging

Before first use, it is recommended to fully charge your DOOGEE N55 smartphone.

1. Connect the Type-C cable to the USB Type-C port at the bottom of the phone.
2. Connect the other end of the Type-C cable to the provided charger.
3. Plug the charger into a power outlet.
4. The phone will indicate that it is charging.
5. Once charging is complete, disconnect the charger from the phone and then from the power outlet. Do not charge the device for more than 12 hours.

3. Operating Instructions

3.1 Power On/Off and Basic Navigation

• Power On: Press and hold the power button on the right side until the DOOGEE logo appears.
• Power Off: Press and hold the power button, then select 'Power off' from the options.
• Restart: Press and hold the power button, then select 'Restart' from the options.
• Screen Lock/Unlock: Press the power button briefly to lock or unlock the screen.

3.2 Android 14 Operating System

The DOOGEE N55 runs on the Android 14 OS, offering a seamless and efficient operation with advanced privacy and security features. It includes Privacy Control for managing app permissions and Intelligent Management for optimizing background applications.

3.3 Camera Features

The DOOGEE N55 is equipped with a 13MP AI Main Camera and an 8MP Front Camera, allowing you to capture high-quality photos and videos.

• 13MP AI Main Camera: Designed to capture stunning images with jaw-dropping detail.
• Beauty Mode: Enhances natural beauty in photos.
• Portrait Mode: Elevates portraits with captivating effects.
• Night Mode: Captures clear and vivid expressions in low-light conditions.
• HDR Mode: Ensures clear photos even in high-contrast situations by balancing exposure.
• 8MP Front Camera: Keeps you in sharp focus, capturing vibrant details.

3.4 Face Unlock

The DOOGEE N55 supports Face Unlock technology, providing instant access to your phone and secure access to apps with precision depth-sensing.

3.5 Audio and Video Playback

• 3.5mm Earphone Port: Enjoy stable and distortion-free audio transmission.
• Widevine L1 Support: Enables high-definition video watching on platforms like Disney+, Amazon, and Hulu.
• High-Quality Audio Performance: Delivers rich audio tones for an immersive experience.

4. Maintenance

4.1 Screen Care

The DOOGEE N55 features a vacuum coating on its screen for enhanced durability and cleanliness.

• Anti-fingerprint: Minimizes fingerprint residue.
• Anti-oil Stains: Repels grease and stains.
• Abrasion Resistance: Provides durability against scratches and damage.
• Transparency: Maintains screen clarity and color accuracy.

To clean the screen, use a soft, lint-free cloth. Avoid harsh chemicals or abrasive materials.

4.2 Battery Management

The DOOGEE N55 is equipped with a 5150mAh large battery and self-developed intelligent battery management system.

• The intelligent battery management system supports charging at temperatures above -10°C.
• To prolong battery life, avoid fully discharging the battery frequently.
• Do not expose the battery to extreme temperatures (below -10°C or above 40°C).
• If the battery appears deformed or damaged, stop using it immediately and contact support.
• The battery is built-in and not user-replaceable. Any removal or repair should only be done by an authorized repair center.

4.3 Software Updates

Regularly update your phone's operating system using the built-in software update feature. This ensures optimal performance, security, and access to the latest features. Updating software through unauthorized means may damage the device or result in data loss, security issues, and other risks.

5. Troubleshooting

5.1 Common Issues and Solutions

• Phone keeps rebooting: If your phone frequently reboots, this could indicate a software issue or a faulty unit. Try performing a factory reset (back up your data first) or contact DOOGEE customer support.
• Device not responding: If the device is frozen, press and hold the power button for about 10-15 seconds to force a restart.
• Charging issues: Ensure the charging cable and adapter are securely connected and undamaged. Try using a different compatible charger and cable.
• Network connectivity problems: Check if your SIM cards are properly inserted. Go to Settings > Network & internet to ensure Wi-Fi and mobile data are enabled.

6. Specifications

7. Important Safety Information

Read all safety information below before using your device:

7.1 General Safety Precautions

• Use only authorized accessories compatible with your device. Unauthorized cables, power adapters, or batteries can cause fire, explosion, or other risks.
• The device's operating temperature range is -10°C to 40°C. Using it outside this range may damage the device.
• Keep your device dry. Do not use it in high humidity places like bathrooms.
• Do not attempt to repair the device yourself. If any part does not work properly, contact DOOGEE customer support or an authorized repair center.
• Connect other devices according to their instruction manuals. Do not connect incompatible devices.
• For AC/DC adapters, the socket-outlet should be installed near the equipment and be easily accessible.

7.2 Battery Safety

• CAUTION: Risk of explosion if battery is replaced by an incorrect type. Dispose of used batteries according to instructions.
• The battery must be recycled or disposed of separately from household waste. Mishandling may cause fire or explosion.
• Do not disassemble, hit, crush, or burn the battery. If it appears deformed or damaged, stop using it immediately.
• Do not short circuit the battery, as this may cause overheating, burns, or other injury.
• Do not place the battery in a high-temperature environment. Overheating may cause explosion.
• The user shall not remove or alter the battery. Removal or repair shall only be done by an authorized repair center.

7.3 Usage Environment Precautions

• Observe all applicable laws and rules restricting mobile phone use in specific situations and environments.
• Do not use your phone at petrol stations or in any explosive atmosphere (e.g., fueling areas, below decks on boats, fuel/chemical transfer facilities, areas with grain/dust/metal powders in the air).
• Obey all posted signs to turn off wireless devices. Turn off your mobile phone in blasting areas or areas requiring 'two-way radios' or 'electronic devices' to be turned off.
• Do not use your phone in hospital operating rooms, emergency rooms, or intensive care units. Always comply with hospital rules.
• If you have a medical device (e.g., pacemaker), consult your doctor and the device manufacturer to determine if your phone may interfere. Maintain a minimum distance of 15 cm between your mobile phone and a pacemaker (use on the ear opposite to your pacemaker, do not carry in a breast pocket).
• Observe all aircraft safety regulations and turn off your phone on board aircraft when required.
• To avoid being struck by lightning, do not use your phone outdoors during thunderstorms.
• Do not use your phone to make calls while it is charging.

7.4 Hearing Safety

WARNING: To prevent possible hearing damage, do not listen at high volume levels for long periods.

8. User Tips

• Operating System: Some users have reported receiving phones with Android 16, even if the system initially displays Android 14. Always check for and install the latest software updates to ensure you have the most current features and security patches.
• Budget-Friendly: The DOOGEE N55 is considered an excellent budget phone, offering good value for its price.
• No Fingerprint Scanner: Please note that this model does not include a fingerprint scanner for biometric authentication. Face Recognition is available.
• Check Package Contents: Upon receiving your phone, verify all listed package contents are present, including the charger, cable, and protective accessories.

9. Frequently Asked Questions (FAQ)

Q: What is the battery capacity of the DOOGEE N55?

A: The DOOGEE N55 is equipped with a 5150mAh large battery.

Q: Does the phone support expandable storage?

A: Yes, the phone supports a TF (microSD) card in one of the SIM slots for expandable storage.

Q: Does the DOOGEE N55 have a 3.5mm headphone jack?

A: Yes, the DOOGEE N55 features a 3.5mm earphone port for audio connectivity.

10. Warranty and Support

Your DOOGEE N55 smartphone comes with a Warranty Card included in the package. Please refer to this card for detailed information regarding warranty terms and conditions.

For any technical support, troubleshooting, or warranty claims, please contact DOOGEE customer support or visit an authorized DOOGEE service center. Do not attempt to repair the device yourself, as this may void the warranty.

11. WEEE Compliance

Special precautions must be taken to safely dispose of this product. This marking indicates that this product may not be discarded with other household waste in the EU.

To prevent harm to the environment or human health from inappropriate waste disposal, and to promote sustainable reuse of material resources, please recycle responsibly. To safely recycle your device, please use return and collection systems or contact the retailer where the device was originally purchased. To view our Environmental Declaration, please refer to the following link: www.doogee.cc/page/environment.html

12. RED Declaration of Conformity

Shenzhen DOOGEE Hengtong Technology CO., LTD hereby declares that this GSM/GPRS/WCDMA/CDMA/LTE Digital Mobile Phone with Bluetooth and Wi-Fi M2101K7AG is in compliance with the essential requirements and other relevant provisions of the RE Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address: www.doogee.cc/page/certification.html

12.1 RF Exposure Information (SAR)

This device is in compliance with Specific Absorption Rate (SAR) limits for general population/uncontrolled exposure (Localized 10-gram SAR for head and trunk, limit: 2.0W/kg) specified in Council Recommendation 1999/519/EC, ICNIRP Guidelines, and RED (Directive 2014/53/EU).

During SAR testing, this device was set to transmit at its highest certified power level in all tested frequency bands and placed in positions that simulate RF exposure during use against the head with no separation and near the body with a separation of 5 mm.

SAR compliance for body operation is based on a separation distance of 5 mm between the unit and the human body. This device should be carried at least 5 mm away from the body to ensure RF exposure level is compliant or lower than the reported level. When attaching the device near the body, a belt clip or holster should be used which does not contain metallic components and allows a separation of at least 5 mm to be maintained between the device and the body. RF exposure compliance was not tested or certified with any accessory containing metal worn on the body, and use of such an accessory should be avoided.

12.2 Frequency Bands and Power

This mobile phone offers the following frequency bands in EU areas only and maximum radio-frequency power:

• GSM900: 35dBm
• GSM1800: 32dBm
• WCDMA 900/2100: 25.7dBm
• LTE band 1/3/7/8/20/28/38/40: 25.7dBm
• Bluetooth: 20dBm
• Wi-Fi 2.4GHz band: 20dBm
• Wi-Fi 5GHz: 5180 to 5240MHz: 23dBm, 5745 to 5825MHz: 14dBm