1. Introduction
This manual provides essential information for the proper setup, operation, and maintenance of your SANSHREUNI C25 Ultra Unlocked Phone. Please read this manual thoroughly before using your device to ensure optimal performance and longevity.
Image: Overview of the SANSHREUNI C25 Ultra phone highlighting its main features.
2. Setup
2.1. What's in the Box
Upon unboxing your SANSHREUNI C25 Ultra, verify that all components are present:
- SANSHREUNI C25 Ultra Phone
- Charger
- USB Cable
- Phone Case
- Protective Screen
- Headphones
- Card Pin
- User Manual
2.2. SIM Card and TF Card Installation
The C25 Ultra supports dual SIM cards and a TF (micro SD) card for expandable storage. Use the provided card pin to open the SIM tray.
- Locate the SIM tray on the side of the phone.
- Insert the card pin into the small hole next to the tray and press gently until the tray ejects.
- Place your Nano-SIM cards and/or TF card into the designated slots on the tray. Ensure the gold contacts face downwards.
- Carefully reinsert the tray into the phone until it clicks into place.
Image: Illustration of dual SIM and dedicated micro SD card slot for the C25 Ultra.
2.3. Initial Charging
Before first use, fully charge your phone. Connect the USB cable to the phone's charging port and the charger, then plug the charger into a power outlet. The phone features a 6800mAh battery and supports 12W charging.
Image: Visual representation of the phone's long-lasting battery and charging capabilities.
3. Operating Instructions
3.1. Power On/Off
- To Power On: Press and hold the Power button until the SANSHREUNI logo appears.
- To Power Off: Press and hold the Power button, then select 'Power Off' from the options on the screen.
- To Restart: Press and hold the Power button, then select 'Restart' from the options.
3.2. Display and Navigation
The C25 Ultra features a 6.9-inch HD display with a 1440*3040 resolution and a 120Hz refresh rate, running on Android 14.0 OS. Navigate using touch gestures: tap, swipe, pinch-to-zoom.
Image: The phone's large screen showcasing its display capabilities.
3.3. Performance and Storage
Equipped with a Snapdragon 8 Gen2 processor, 8GB of RAM, and 256GB of internal storage, the C25 Ultra is designed for efficient multitasking and application performance. Storage can be expanded via a TF card.
Image: The Snapdragon 8 Elite processor, central to the phone's performance.
Image: Visual representation of the phone's 8GB RAM and 256GB flash memory.
3.4. Face Recognition
The C25 Ultra supports face recognition for secure unlocking. This feature utilizes zero-light face recognition, allowing it to function in dark environments without requiring infrared light.
Image: Demonstration of the phone's face recognition feature.
3.5. Connectivity
The phone supports global 5G networks, Wi-Fi, and GPS for navigation. Ensure your SIM card supports 5G for optimal network speeds.
4. Maintenance
4.1. Battery Care
- Avoid exposing the phone to extreme temperatures.
- Use only the provided charger and USB cable.
- Do not leave the phone charging for extended periods after it reaches 100%.
4.2. General Device Care
- Keep the phone dry and away from liquids.
- Clean the screen and body with a soft, lint-free cloth. Avoid abrasive materials.
- Protect the screen with the provided protective screen and use the phone case to prevent physical damage.
- Regularly back up your data to prevent loss.
5. Troubleshooting
If you encounter issues with your SANSHREUNI C25 Ultra, try the following steps:
- Phone is unresponsive: Press and hold the Power button for approximately 10-15 seconds to force a restart.
- Poor network signal: Ensure your SIM card is correctly inserted. Try restarting the phone or moving to an area with better coverage. Verify your network settings.
- Battery drains quickly: Close unused applications, reduce screen brightness, and disable unnecessary features like Wi-Fi or GPS when not in use.
- Applications crashing: Clear the cache of the problematic application or reinstall it. Ensure your phone's software is up to date.
- Storage full: Delete unnecessary files, photos, or videos. Consider moving data to a TF card or cloud storage.
For further assistance, please refer to the Warranty and Support section.
6. Specifications
| Model Name | C25 Ultra |
| Brand | SANSHREUNI |
| Operating System | Android 14 |
| CPU Model | Snapdragon 8 Gen2 (10-Core) |
| CPU Speed | 2.6 GHz |
| RAM Memory Installed Size | 8 GB |
| Memory Storage Capacity | 256 GB |
| Screen Size | 6.9 Inches |
| Resolution | 1440 x 2880 |
| Refresh Rate | 120 Hz |
| Battery Capacity | 6800 Milliamp Hours |
| Phone Talk Time | 5 Hours |
| Connectivity Technologies | Wi-Fi, 5G |
| GPS | True |
| Audio Jack | 3.5 mm |
| Item Weight | 12 ounces |
| Package Dimensions | 6.79 x 3 x 0.29 inches |
7. Warranty and Support
7.1. Warranty Information
Your SANSHREUNI C25 Ultra phone comes with a standard warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions. Keep your proof of purchase for warranty claims.
7.2. Customer Support
If you have any questions regarding the use, setup, or troubleshooting of your SANSHREUNI C25 Ultra phone, please contact our customer support. We aim to resolve any issues within 24 hours.
Contact details can typically be found on the manufacturer's official website or on the warranty card.