1. Introduction
This manual provides essential information for the safe and efficient use of your Infinix X657B Smart 5 mobile phone. Please read this guide thoroughly before operating your device to ensure optimal performance and longevity. Keep this manual for future reference.
Image 1.1: Infinix X657B Smart 5 mobile phone, back view, highlighting the camera module and rear-mounted fingerprint sensor.
2. Setup
2.1. Package Contents
Verify that your package contains the following items:
- Infinix X657B Smart 5 Mobile Phone
- Power Adapter
- USB Charging Cable
- SIM Ejector Tool
- Quick Start Guide (this manual)
- Warranty Card
2.2. SIM Card and SD Card Installation
The Infinix X657B Smart 5 supports dual SIM cards and a microSD card for expandable storage.
- Locate the SIM card tray on the side of the device.
- Insert the SIM ejector tool into the small hole next to the tray and press gently until the tray pops out.
- Place your Nano-SIM cards (up to two) and/or microSD 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 2.1: Side view of the Infinix X657B Smart 5, indicating the position of the SIM card tray.
2.3. Charging the Device
Before first use, it is recommended to fully charge your device.
- Connect the USB cable to the power adapter.
- Plug the power adapter into a wall outlet.
- Connect the other end of the USB cable to the charging port on your phone.
- The charging indicator will appear on the screen.
2.4. Initial Power On and Setup Wizard
To power on your phone, press and hold the power button located on the side until the Infinix logo appears. Follow the on-screen instructions to complete the initial setup, including language selection, Wi-Fi connection, Google account setup, and security settings.
3. Operating Your Device
3.1. Basic Navigation
Your Infinix X657B Smart 5 features a 6.6-inch touchscreen display. Navigation is primarily gesture-based or via on-screen navigation buttons.
- Tap: Select an item or open an application.
- Swipe: Scroll through lists or switch between home screens.
- Pinch: Zoom in or out on images and web pages.
- Long Press: Access contextual menus or move icons.
Image 3.1: Front view of the Infinix X657B Smart 5, displaying the user interface on its 6.6-inch screen.
3.2. Making Calls and Sending Messages
- To make a call, open the Phone app, enter the number, and tap the call icon.
- To send a message, open the Messages app, tap the new message icon, enter the recipient and your message.
3.3. Connecting to Wi-Fi and Bluetooth
Access these settings via the Settings app or by swiping down from the top of the screen to open the quick settings panel.
- Wi-Fi: Tap on Wi-Fi, select your desired network, and enter the password if required.
- Bluetooth: Tap on Bluetooth, enable it, and select the device you wish to pair with from the list of available devices.
3.4. Camera Usage
Open the Camera app to capture photos and videos. Tap the shutter button to take a picture or the record button to start/stop video recording. Swipe left or right to switch between different camera modes.
3.5. Security Features
Your device includes security options to protect your data:
- Fingerprint Sensor: Register your fingerprints via Settings > Security > Fingerprint. The sensor is located on the back of the device.
- Face Unlock: Set up face recognition via Settings > Security > Face Unlock.
- Screen Lock: Choose from Pattern, PIN, or Password for screen lock protection.
4. Maintenance
4.1. Cleaning the Device
Use a soft, lint-free cloth to clean the screen and body of your phone. Avoid using harsh chemicals or abrasive materials, which can damage the device's finish.
4.2. Battery Care
- Avoid exposing the phone to extreme temperatures.
- Use only the original or certified charging accessories.
- Do not leave the phone charging for extended periods after it is fully charged.
4.3. Software Updates
Regularly check for software updates to ensure your device has the latest features, security patches, and performance improvements. Go to Settings > System > System update to check for and install updates.
4.4. Data Backup
It is recommended to regularly back up your important data (photos, contacts, documents) to a cloud service (e.g., Google Drive) or a computer to prevent data loss.
5. Troubleshooting
5.1. Common Issues and Solutions
- Phone not turning on: Ensure the battery is charged. Press and hold the power button for at least 10-15 seconds.
- Apps crashing or freezing: Close and reopen the app. Clear the app's cache (Settings > Apps > [App Name] > Storage > Clear cache).
- Network connectivity issues: Check if Airplane Mode is off. Restart the phone. Verify SIM card installation.
- Slow performance: Close unused apps. Clear cache and temporary files. Consider uninstalling rarely used applications.
5.2. Factory Reset
If your device experiences persistent issues, a factory reset may resolve them. Warning: This will erase all data on your phone. Back up your data before proceeding. Go to Settings > System > Reset options > Erase all data (factory reset).
6. Specifications
| Feature | Specification |
|---|---|
| Model Name | X657B |
| Brand | Infinix |
| Operating System | Android |
| RAM Memory Installed | 3 GB |
| Memory Storage Capacity | 64 GB |
| Screen Size | 6.6 Inches |
| CPU Model | Snapdragon |
| Cellular Technology | 4G |
| Connectivity Technology | Bluetooth, Wi-Fi |
| Wireless Provider | Unlocked |
7. Warranty and Support
Your Infinix X657B Smart 5 mobile phone comes with a limited warranty. Please refer to the warranty card included in your package for detailed terms and conditions, including the warranty period and coverage.
For technical support, service, or further inquiries, please visit the official Infinix website or contact their customer service. Contact information can typically be found on the Infinix website or on your warranty card.
Official Infinix Website: www.infinixmobility.com





