OPPO CPH2681
OPPO A3X 5G Smartphone User Manual
Model: CPH2681
Introduction
Welcome to the user manual for your new OPPO A3X 5G smartphone. This guide provides essential information to help you set up, operate, maintain, and troubleshoot your device, ensuring you get the most out of its features.

The OPPO A3X 5G in Starlight White, showcasing its sleek design.
The OPPO A3X 5G is a feature-rich smartphone designed for performance and durability. It boasts a 6.67-inch HD+ 120Hz Ultra Bright Display, an 8MP Dual Ultra-Clear Camera, 45W SUPERVOOC Flash Charge, and a robust 5100mAh battery. Built with military-grade shock resistance and IP54 water and dust resistance, it offers reliability for daily use.
What's in the Box
- Phone Case
- Power Adapter
- USB Cable
- SIM Tray Ejector
Setup
1. Inserting the SIM Card and microSD Card
Locate the SIM tray on the side of your device. Use the provided SIM tray ejector tool to open the tray. Carefully place your Nano-SIM card(s) and/or microSD card into the designated slots, ensuring correct orientation. Gently push the tray back into the device until it clicks securely into place.

This image shows the side profile of the OPPO A3X 5G, highlighting the power button, volume buttons, and the SIM card tray slot.
2. Initial Power On and Setup
Press and hold the Power button (located on the right side of the device) until the OPPO logo appears on the screen. Follow the on-screen instructions to complete the initial setup, which includes selecting your language, connecting to a Wi-Fi network, signing in to your Google account, and setting up security features such as fingerprint or face unlock.
3. Charging the Device
Connect the USB cable to the phone's charging port and the power adapter. Plug the power adapter into a standard wall outlet. The OPPO A3X 5G supports 45W SUPERVOOC Flash Charge, enabling rapid charging to get you powered up quickly.

This image illustrates key features of the OPPO A3X 5G, including its robust build quality, vibrant display, and fast charging capability. The bottom right panel specifically shows the phone being charged with the 45W SUPERVOOC charger.
Operating
Display and Navigation
The OPPO A3X 5G features a 6.67-inch HD+ LCD 120Hz Ultra Bright Display, providing smooth visuals and responsive touch interactions. You can navigate the interface using intuitive gestures or by enabling the traditional navigation bar in settings.
Camera Features
Your device is equipped with an 8MP Dual Ultra-Clear Rear Camera and a 5MP Front Selfie Camera, designed to capture clear and vibrant images.
Taking Photos and Videos
Open the Camera app from your home screen or app drawer. Select your desired mode (e.g., Photo, Video, Portrait, Night). Tap the shutter button to capture your moment.
Dual-View Video
Activate the Dual-View Video feature to record simultaneously from both the front and rear cameras. This offers a unique and engaging perspective for vlogging or capturing events from multiple angles.
AI Portrait Retouching
Enhance your portraits with AI Portrait Retouching, which intelligently optimizes facial features and skin tones for natural-looking and flattering results.
Connectivity
The OPPO A3X 5G supports Dual 5G SIM, Wi-Fi, Bluetooth, and NFC for seamless and versatile connectivity options.
- Wi-Fi: To connect to available wireless networks, go to Settings > Wi-Fi and select your desired network.
- Bluetooth: To pair with other Bluetooth-enabled devices such as headphones or speakers, go to Settings > Bluetooth.
- NFC: Enable Near Field Communication (NFC) in Settings for quick tap-to-pay transactions or data transfer with compatible devices.
Maintenance
Battery Care
The 5100mAh Hyper Energy Battery is designed for over 4 years of durable use, complemented by Smart Charging technology. To maximize battery lifespan, avoid exposing your device to extreme temperatures and try to prevent frequent full discharges.
Cleaning Your Device
Use a soft, lint-free cloth to gently clean the screen and body of your device. Avoid using abrasive materials, harsh chemicals, or aerosol sprays. While the device has IP54 water and dust resistance, it is not fully waterproof; do not submerge it in liquid.
Software Updates
Regularly check for and install system updates to ensure your device operates with optimal performance, the latest features, and enhanced security. You can typically find update options in Settings > About device > ColorOS version.
Troubleshooting
Device Not Powering On
Ensure the battery is sufficiently charged. Connect the charger and allow a few minutes before attempting to power on the device again. If the issue persists, perform a forced restart by holding the Power button and Volume Up button simultaneously for approximately 10 seconds.
Apps Crashing or Freezing
First, try closing the problematic app and reopening it. If the issue continues, clear the app's cache and data by navigating to Settings > Apps > [App Name] > Storage. As a last resort, uninstall and then reinstall the app.
Poor Network Connection
Verify that Airplane Mode is disabled. Restart your device. Confirm that your SIM card is correctly inserted into the tray. If network issues persist across different locations, contact your mobile network provider for assistance.
Specifications
| Feature | Detail |
|---|---|
| Model Number | CPH2681 |
| Operating System | Android 14, ColorOS 14.0 |
| RAM | 4 GB |
| Internal Storage | 128 GB |
| Display | 6.67-inch HD+ LCD, 120Hz Refresh Rate, 1604 x 720 Resolution |
| Processor | MediaTek Dimensity 6300 |
| Rear Camera | 8MP Dual Ultra-Clear Camera |
| Front Camera | 5MP |
| Battery Capacity | 5100mAh |
| Charging | 45W SUPERVOOC Flash Charge |
| Dimensions (LxWxH) | 16.6 x 7.6 x 0.8 cm |
| Weight | 187 g |
| Connectivity | 5G, Wi-Fi, Bluetooth, NFC, GPS |
| Audio Jack | 3.5 mm |
| Water & Dust Resistance | IP54 |
Warranty and Support
Warranty Information
Your OPPO A3X 5G comes with a standard manufacturer's warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions, including the warranty period and coverage details. Retain your proof of purchase for warranty claims.
Customer Support
For technical assistance, service, or further inquiries regarding your OPPO A3X 5G, please contact OPPO customer support through the following channels:
- Manufacturer: Bhagwati Products ltd
- Importer/Packer: OPPO Mobiles India Pvt Ltd
- Customer Service Number: 18001032777
- Online Support: Visit the official OPPO website for frequently asked questions (FAQs), support resources, and additional contact options.
- Brand Store: OPPO Official Store on Amazon.in
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