DOOGEE S35
DOOGEE S35 Rugged Smartphone
User Manual
Introduction
Welcome to the user manual for your new DOOGEE S35 Rugged Smartphone. This device is engineered for resilience and reliability, making it an ideal companion for outdoor enthusiasts, construction workers, or anyone needing a durable mobile solution. It combines robust protection with essential smartphone functionalities, ensuring connectivity and performance in challenging conditions.
The DOOGEE S35 features a 5.0-inch HD screen, a powerful 4350mAh battery, and a versatile 13MP triple camera system. It is designed to withstand water, dust, and drops, meeting IP68/IP69K and MIL-STD-810G standards. This manual will guide you through the setup, operation, maintenance, and troubleshooting of your device.

Image: Front and back view of the DOOGEE S35 Rugged Smartphone, highlighting its robust design and camera module.
Setup
1. SIM Card and TF Card Installation
The DOOGEE S35 supports dual Nano SIM cards or one Nano SIM and one TF (microSD) card for expandable storage up to 512GB. Ensure the phone is powered off before inserting or removing cards.
- Locate the SIM card tray on the side of the device.
- Use the provided SIM ejector tool to open the tray.
- Carefully place your Nano SIM card(s) and/or TF card into the designated slots, ensuring correct orientation.
- Gently push the tray back into the phone until it clicks into place.

Image: A diagram illustrating the placement of Nano SIM cards and a TF card in the phone's tray.
2. Initial Charging
Before first use, it is recommended to fully charge your DOOGEE S35. The device is equipped with a 4350mAh battery for extended usage.
- Connect the USB cable to the charging port on your phone.
- Connect the other end of the USB cable to the power adapter, then plug the adapter into a wall outlet.
- The charging indicator will appear on the screen. Allow the phone to charge until the battery icon shows full.

Image: The DOOGEE S35 phone with a large 4350mAh battery graphic, indicating long-lasting power for normal use, gaming, music, calling, and standby.
3. Powering On/Off
- To Power On: Press and hold the Power button (located on the right side of the phone) until the DOOGEE logo appears.
- To Power Off: Press and hold the Power button until the power options menu appears, then select "Power off".
Operating Your Device
1. Basic Navigation (Android 11)
Your DOOGEE S35 runs on Android 11, offering an intuitive user experience. Navigate using gestures or the traditional three-button navigation bar.
- Home Screen: Swipe left or right to access different home screen panels.
- App Drawer: Swipe up from the bottom of the screen to access all installed applications.
- Notifications & Quick Settings: Swipe down from the top of the screen to view notifications and quick settings toggles.

Image: The DOOGEE S35 displaying its 5.0-inch HD IPS screen, suitable for one-handed operation, with specifications like 720*1280 resolution and 1000:1 contrast.
2. Camera Usage
Capture moments with the 13MP AI Triple Rear Camera and 5MP Front Camera.
- Open the Camera app from your home screen or app drawer.
- Switch between front and rear cameras using the camera toggle icon.
- Select different modes such as Photo, Video, Portrait, or Panorama.
- Tap the shutter button to take a photo or start/stop video recording.

Image: Close-up views of the DOOGEE S35's Samsung 13MP AI Triple Rear Camera (13MP main, 2MP sub, 2MP sub) and the 5MP Front Camera, demonstrating its photographic capabilities.
3. Face Unlock
Unlock your phone quickly and securely using Face Recognition technology.
- Go to Settings > Security > Face Unlock.
- Follow the on-screen instructions to register your face.
- Once registered, simply lift your phone to your face to unlock it.

Image: A visual representation of the Face Recognition feature on the DOOGEE S35, highlighting its 0.19s response speed for quick unlocking.
4. Navigation Systems (GPS, Glonass, Beidou)
The DOOGEE S35 supports multiple global navigation satellite systems for accurate positioning, even with gloves on.
- Enable Location services in Quick Settings or Settings > Location.
- Use your preferred navigation app (e.g., Google Maps) for directions.
- The phone's Glove Mode allows for touch interaction even when wearing gloves, useful in cold or industrial environments.

Image: A person wearing gloves using the DOOGEE S35 for GPS navigation, demonstrating the phone's Glove Mode functionality and support for GPS, Glonass, and Beidou.
Maintenance
1. Cleaning Your Device
To maintain optimal performance and appearance, regularly clean your DOOGEE S35.
- Use a soft, lint-free cloth to wipe the screen and body.
- For stubborn smudges, slightly dampen the cloth with water or a screen cleaner.
- Avoid using harsh chemicals, abrasive materials, or aerosol sprays.
2. Battery Care
Proper battery care extends the lifespan of your device's 4350mAh battery.
- Avoid extreme temperatures, as they can degrade battery performance.
- Do not let the battery completely drain frequently. Charge it before it reaches very low levels.
- Use only the original or certified compatible chargers and cables.
3. Ruggedness Features
The DOOGEE S35 is built to be highly durable, with certifications for IP68/IP69K and MIL-STD-810G standards.
- Waterproof: Can guard against water at a depth of 1.5m for 30 minutes. Ensure all port covers are securely closed before exposure to water.
- Dustproof: Fully protected against dust ingress.
- Shockproof/Drop-proof: Designed to withstand drops of up to 1.5m (flat surface). The four-corner tire design provides 360° all-round protection.

Image: Three images showing the DOOGEE S35 submerged in water, on a rocky surface (shockproof), and on a sandy surface (dustproof), illustrating its IP68/IP69K ruggedness.
Troubleshooting
This section addresses common issues you might encounter with your DOOGEE S35.
Device Not Turning On
- Ensure the battery is sufficiently charged. Connect the charger and wait a few minutes before attempting to power on.
- Press and hold the Power button for at least 10-15 seconds to perform a forced restart.
Poor Network Signal
- Check if your SIM card is properly inserted.
- Move to an area with better network coverage.
- Restart the phone.
- Go to Settings > Network & internet > Mobile network and ensure your preferred network type is selected.
Apps Crashing or Freezing
- Close the problematic app and reopen it.
- Clear the app's cache and data via Settings > Apps & notifications > [App Name] > Storage & cache.
- Ensure the app is updated to its latest version from the Google Play Store.
- Free up storage space if your phone's memory is full.
Battery Draining Quickly
- Reduce screen brightness.
- Disable Wi-Fi, Bluetooth, and GPS when not in use.
- Close background apps that consume significant power.
- Check battery usage in Settings > Battery to identify power-hungry apps.
Specifications
| Feature | Specification |
|---|---|
| Model | S35 |
| Operating System | Android 11 |
| CPU Model | Snapdragon (Quad-core Processor) |
| RAM | 3 GB |
| Internal Storage | 16 GB (Expandable to 512GB via TF card) |
| Screen Size | 5.0 Inches HD IPS (720*1280 Resolution) |
| Rear Camera | 13MP + 2MP + 2MP AI Triple Camera |
| Front Camera | 5MP |
| Battery Capacity | 4350mAh |
| Charging | 10W Fast Charging, OTG Reverse Charging |
| SIM Card Support | Dual Nano SIM or Nano SIM + TF Card |
| Connectivity | 4G, Wi-Fi 5G/2.4G, Bluetooth 5.0 |
| Navigation | GPS, Glonass, Beidou |
| Durability | IP68 / IP69K / MIL-STD-810G (Waterproof, Dustproof, Shockproof) |
| Dimensions | 153.44 x 82.9 x 15.7 mm |
| Weight | 260g |
Warranty and Support
DOOGEE products are designed and manufactured to the highest quality standards. Your DOOGEE S35 Rugged Smartphone comes with a standard manufacturer's warranty covering defects in materials and workmanship under normal use.
Warranty Information
- Please refer to the warranty card included in your product packaging for specific terms, conditions, and duration of the warranty.
- The warranty typically covers manufacturing defects but does not cover damage caused by misuse, accidents, unauthorized repairs, or normal wear and tear.
Customer Support
If you encounter any issues not covered in the troubleshooting section or require further assistance, please contact DOOGEE customer support.
- Visit the official DOOGEE website for support contact details, FAQs, and software updates.
- Have your product model (S35) and purchase information ready when contacting support.
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