OPPO CPH2251 Quick Start Guide and Specifications

Greetings from OPPO Mobile

This guide provides instructions on how to use the OPPO CPH2251 smartphone and its important functions. For more detailed information, please visit the official OPPO website.

Getting Started

How to Reboot the Phone

To reboot your phone, press and hold the Power Button and the Volume Up Button simultaneously until the OPPO boot animation appears.

Data Transfer

How to Transfer Old Mobile Content to a New Mobile

You can use the OPPO Clone Phone application to easily transfer photos, videos, music, contacts, messages, apps, and more from your old phone to your new OPPO device.

1. If your previous phone was a non-OPPO Android phone, search for "OPPO Clone Phone" in the Google Play Store and install it. Alternatively, scan the QR code provided (if available) to install the app. If your previous phone was an OPPO phone, the app is pre-installed. Run Clone Phone on both devices and follow the on-screen instructions.
2. If your previous phone was an iPhone, run "Clone Phone" on your new OPPO phone and follow the on-screen instructions to migrate your data from your iCloud account.

Key Phone Components

The OPPO CPH2251 features the following components:

• Receiver: For audio during calls.
• Front Camera: For selfies and video calls.
• Volume Key: Adjusts the device volume.
• Screen Fingerprint Sensor: For unlocking the device.
• SIM Card Tray: Holds the SIM card.
• Proximity Sensor and Light Sensor: Detects proximity and ambient light.
• Power Key & Screen Lock Key: Turns the device on/off and locks the screen.
• Speaker: For audio output.
• Sub MIC: Secondary microphone for noise cancellation.
• Rear Camera: Primary camera system.
• USB & Earphone Jack: For charging and audio output.
• Flash: Provides light for the camera.
• Color Temperature Sensor: Adjusts screen color based on ambient light.
• NFC: Near Field Communication for contactless transactions.
• Main MIC: Primary microphone for calls and audio recording.

Accessories and Software Information

The following standard accessories are included with your OPPO CPH2251:

• 1 Phone
• 1 Charger
• 1 Earphone
• 1 USB data cable
• 1 Safety Guide
• 1 Quick Guide
• 1 SIM Ejector Tool
• 1 Protective Case

Product software version: ColorOS V11.3.

For the most recent information about accessories and software, please refer to the Declaration of Conformity (DoC) at www.oppo.com/en/certification.

Regulatory Information

To find regulatory information, navigate to Settings > About Phone > Regulatory.

The N-Mark is a trademark or registered trademark of NFC Forum, Inc. in the United States and other countries.

Technical Specifications

Product Details

SAR Values

Note: The SAR values listed are the highest reported values for this device.

Radio Waves Specifications

Radio Frequency Max. Output Power