1. Introduction
Welcome to the Ecshock I25 Ultra 5G Smartphone user manual. This guide provides comprehensive instructions to help you set up, operate, and maintain your new device. Please read this manual carefully to ensure optimal performance and longevity of your smartphone.
2. What's in the Box
Your Ecshock I25 Ultra 5G package includes the following items:
- Ecshock I25 Ultra 5G Smartphone
- Phone Case
- Screen Protector
- SIM Tray Ejector
- USB OTG Adapter
3. Device Overview
Familiarize yourself with the physical components of your Ecshock I25 Ultra 5G smartphone.

Figure 3.1: Front and rear view of the Ecshock I25 Ultra 5G Smartphone, showcasing its sleek design and camera module, alongside an included stylus.
3.1 Front View
- 6.99-inch HD Screen: Large display for immersive viewing.
- Front Camera (68MP): Located at the top center for selfies and video calls.
3.2 Rear View
- Dual Main Camera (68MP + 108MP): High-resolution cameras for capturing detailed photos and videos.
- Flash: Provides illumination in low-light conditions.
3.3 Side and Bottom Views
- Power Button: Located on the side, also functions as a fingerprint sensor.
- Volume Buttons: Adjust media and call volume.
- SIM/SD Card Slot: For inserting your SIM cards and expandable storage.
- USB-C Port: For charging and data transfer.
- 3.5mm Audio Jack: For connecting wired headphones.
- Speaker: Audio output.
- Stylus Slot: Integrated slot for the included touch pen.
4. Setup
4.1 Inserting SIM and SD Card
- Locate the SIM tray on the side of your device.
- Insert the SIM tray ejector tool into the small hole next to the tray and press firmly until the tray pops out.
- Place your 5G SIM cards (up to two) and/or microSD card into the designated slots on the tray. Ensure they are correctly oriented.
- Carefully reinsert the tray into the device until it clicks into place.
4.2 Initial Power On and Setup Wizard
- Press and hold the Power button until the Ecshock logo appears.
- Follow the on-screen instructions to select your language, connect to a Wi-Fi network, and sign in with your Google account.
- Complete the remaining setup steps, including setting up security features like fingerprint and facial recognition.
5. Basic Operations
5.1 Home Screen Navigation
The home screen provides quick access to your apps, widgets, and notifications. Swipe left or right to navigate between home screen panels. Swipe up from the bottom to access the app drawer.
5.2 Using the Stylus
Your device comes with an integrated touch pen for enhanced interaction. Remove the stylus from its slot to activate stylus-specific features. Use it for precise navigation, drawing, writing notes, and more.

Figure 5.1: The Ecshock I25 Ultra 5G Smartphone with its integrated stylus, demonstrating its use for drawing and creative tasks on the screen.
5.3 GPS Navigation
Utilize the built-in GPS for accurate location services and navigation. Open your preferred navigation app (e.g., Google Maps) to get directions, explore points of interest, and track your location.

Figure 5.2: The Ecshock I25 Ultra 5G Smartphone showing various GPS navigation interfaces, highlighting its capability for precise location tracking and route guidance.
6. Camera Usage
The Ecshock I25 Ultra 5G features a powerful 68MP front camera and a 68MP+108MP dual rear camera system.

Figure 6.1: The Ecshock I25 Ultra 5G Smartphone highlighting its 68MP+108MP camera system and various photography modes like Panorama, Portrait, and Beauty Mode.
6.1 Taking Photos and Videos
- Open the Camera app.
- Select your desired mode (Photo, Video, Portrait, Panorama, etc.).
- Tap the shutter button to capture a photo or start/stop video recording.
- Switch between front and rear cameras using the camera toggle icon.
6.2 Camera Features
- High Definition Storage: Store pictures and videos in high resolution.
- Various Modes: Explore modes like Panorama, Portrait, Professional, and Beauty Mode for diverse photography needs.
7. Battery Management
Your Ecshock I25 Ultra 5G is equipped with a large 7000mAh battery for extended usage.

Figure 7.1: The Ecshock I25 Ultra 5G Smartphone highlighting its 7000mAh high-capacity battery, designed for super long standby and fast charging.
7.1 Charging
- Connect the USB-C cable to the phone's charging port and the other end to a compatible power adapter.
- Use the provided USB OTG Adapter for versatile charging options.
- The phone supports fast charging.
7.2 Battery Saving Tips
- Enable intelligent AI battery management to reduce excessive cache and extend standby time.
- Adjust screen brightness and screen timeout settings.
- Close unused apps running in the background.
8. Dual SIM and Network
The I25 Ultra 5G supports dual SIM cards and global 5G network bands.

Figure 8.1: The Ecshock I25 Ultra 5G Smartphone displaying the 5G network icon, indicating its global 5G connectivity.
8.1 Dual SIM Functionality
- The device features a 2+1 card slot design, supporting two 5G SIM cards simultaneously.
- Manage your SIM preferences in the Settings menu under 'Network & Internet' for calls, messages, and data.
8.2 5G Connectivity
- Enjoy excellent transmission speeds for exploring the online world.
- The phone supports more than 15 LTE bands, ensuring 5G signal availability in most countries.
9. Security Features
Protect your privacy with advanced security options.

Figure 9.1: The Ecshock I25 Ultra 5G Smartphone displaying icons for face recognition and fingerprint unlock, highlighting its security features.
9.1 Facial Recognition
- Set up facial recognition in the Security settings to unlock your device with your face.
9.2 On-Screen Fingerprint Unlock
- Register your fingerprints in the Security settings to unlock your device by touching the designated area on the screen.
10. Specifications
| Feature | Specification |
|---|---|
| Model Name | I25 Ultra 5G |
| Operating System | Android 14 |
| Screen Size | 6.99 Inches |
| Resolution | 3040 x 1440 |
| RAM | 12GB (as per title, feature bullets) / 512GB (as per specifications, likely an error, assuming 12GB RAM) |
| Internal Storage | 512 GB |
| Battery Capacity | 7000mAh |
| Rear Camera | 68MP + 108MP |
| Front Camera | 68MP |
| Connectivity | 5G/4G, Dual SIM |
| Security | Facial Recognition, On-screen Fingerprint Unlock |
| Audio Jack | 3.5 mm |
| Item Weight | 14.9 ounces |
11. Troubleshooting
11.1 Common Issues and Solutions
- Device not turning on: Ensure the battery is charged. Connect to a charger and try again.
- Apps freezing or crashing: Close the app and reopen it. If the issue persists, restart the phone.
- Poor network connectivity: Check your SIM card insertion. Ensure you are within network coverage. Restart the device.
- Battery draining quickly: Review battery saving tips in Section 7.2. Close background apps.
12. Warranty and Support
Thank you for your purchase. If you have any questions or encounter issues while using your Ecshock I25 Ultra 5G smartphone, please do not hesitate to contact our customer support. We are committed to resolving any problems you may experience in a timely manner.
For support, please refer to the contact information provided in your product packaging or visit the official Ecshock website.