realme Realme 14x

realme 14x 5G Smartphone User Manual

Model: RMX3943

1. Device Overview

The realme 14x 5G is a smartphone designed for reliable performance and connectivity. It features a powerful 5G chipset, a 120 Hz Eye Comfort Display, a 50MP AI camera, and a 5000 mAh battery.

realme 14x 5G smartphone, black color, showing the front display and rear camera module.

Image 1.1: Front and rear view of the realme 14x 5G smartphone. The device is black with a multi-camera setup on the back.

2. Setup Guide

2.1 Unboxing and Initial Inspection

Carefully remove all items from the packaging. Verify that the following components are present:

  • realme 14x 5G Smartphone
  • USB Type-C Cable
  • SIM Ejector Tool (may be included)
  • Quick Start Guide (this document)

2.2 Inserting the SIM Card

  1. Locate the SIM card tray on the side of the device.
  2. Insert the SIM ejector tool into the small hole next to the tray and press gently until the tray pops out.
  3. Place your Nano SIM card(s) into the tray with the gold contacts facing down, ensuring they are correctly aligned. The device supports Dual SIM.
  4. Carefully push the tray back into the slot until it is flush with the device.

2.3 Charging the Device

Before first use, it is recommended to fully charge the device.

  • Connect the USB Type-C cable to the charging port at the bottom of the phone.
  • Connect the other end of the cable to a compatible USB power adapter (not always included) and plug it into a power outlet.
  • The charging indicator will appear on the screen.

2.4 Powering On/Off

  • To Power On: Press and hold the Power button (usually on the right side) until the realme 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 on the screen.

2.5 Initial Setup Wizard

Upon first power-on, the device will guide you through an initial setup process. Follow the on-screen instructions to:

  • Select your language and region.
  • Connect to a Wi-Fi network.
  • Set up your Google account.
  • Configure screen lock (PIN, pattern, password).
  • Set up fingerprint and facial recognition (optional).

3. Operating Instructions

3.1 Basic Navigation

The realme 14x 5G uses a touchscreen interface. Common gestures include:

  • Tap: To select an item or open an app.
  • Touch and Hold: To access contextual menus or move items.
  • Swipe: To scroll through screens or lists.
  • Pinch: To zoom in or out on images and web pages.

3.2 Calls and Messaging

  • Making Calls: Open the 'Phone' app, enter the number, and tap the call icon.
  • Sending Messages: Open the 'Messages' app, tap 'Start chat', enter the recipient and your message.

3.3 Internet Connectivity

  • Wi-Fi: Go to Settings > Network & internet > Wi-Fi. Turn Wi-Fi on and select your desired network.
  • Mobile Data (5G): Ensure your SIM card has an active data plan. Go to Settings > Network & internet > Mobile network and enable 'Mobile data'. The device supports 5G connectivity for faster speeds where available.

3.4 Camera Usage

The realme 14x 5G features a 50MP AI Camera.

  1. Open the 'Camera' app.
  2. Select your desired mode (e.g., Photo, Video, Portrait, 50MP mode).
  3. Frame your shot and tap the shutter button to capture.
  4. The 50MP mode enhances clarity and detail, especially for landscapes and intricate subjects.

3.5 Display Features

The 120 Hz Eye Comfort Display provides a smooth visual experience and includes eye care methods.

  • Adjust refresh rate in Settings > Display > Screen refresh rate for smoother scrolling or to conserve battery.
  • Enable Eye Comfort Shield in Settings > Display to reduce blue light emission, especially useful during evening hours.

3.6 Security Features

Protect your device and data using the following biometric security options:

  • Fingerprint Recognition: Register your fingerprints in Settings > Security & privacy > Device unlock > Fingerprint.
  • Facial Recognition: Set up face unlock in Settings > Security & privacy > Device unlock > Face unlock.

4. Maintenance

4.1 Cleaning Your Device

  • Use a soft, lint-free cloth to wipe the screen and body.
  • Avoid using harsh chemicals, abrasive cleaners, or aerosol sprays.
  • Do not expose the device to excessive moisture. The device is not water-resistant.

4.2 Software Updates

Regularly check for and install software updates to ensure optimal performance and security.

  • Go to Settings > About phone > Software update.
  • Follow the on-screen prompts to download and install any available updates.

4.3 Battery Care

The device is equipped with a 5000 mAh battery. To prolong battery life:

  • Avoid extreme temperatures.
  • Do not let the battery drain completely before recharging frequently.
  • Unplug the charger once the battery is full.

4.4 Storage Management

The device has 128 GB of internal storage. To manage storage:

  • Regularly delete unnecessary files, photos, and videos.
  • Uninstall unused applications.
  • Utilize cloud storage services for backups.

5. Troubleshooting

This section addresses common issues you might encounter with your realme 14x 5G.

5.1 Device Not Turning On

  • Ensure the battery is charged. Connect the device to a charger for at least 15 minutes.
  • Press and hold the Power button for 10-15 seconds to force a restart.

5.2 Network Connectivity Issues

  • No Signal/Mobile Data: Check if your SIM card is properly inserted. Verify your mobile data plan is active. Try restarting the device.
  • Wi-Fi Connection Problems: Ensure Wi-Fi is enabled. Restart your router. Forget the network and reconnect.

5.3 Applications Crashing or Freezing

  • Close and reopen the application.
  • Clear the app's cache and data in Settings > Apps > [App Name] > Storage & cache.
  • Update the app from the Google Play Store.
  • Restart the device.

5.4 Device Unresponsive

If the device becomes unresponsive, press and hold the Power button for approximately 10-15 seconds to force a restart.

5.5 Factory Reset (Last Resort)

A factory reset will erase all data on your phone. Back up important data before proceeding.

  1. Go to Settings > System > Reset options > Erase all data (factory reset).
  2. Confirm your decision. The device will restart and restore to its original factory settings.

6. Specifications

Feature Detail
Brand realme
Model Name Realme 14x
Operating System Android 15
CPU Model Mediatek Dimensity 6300
CPU Speed 2.4 GHz
RAM 8 GB (up to 18 GB Dynamic RAM)
Internal Storage 128 GB
Max Flash Memory Support 128 GB (External)
Screen Size 6.67 Inches
Screen Resolution 720 x 1604 (HD+), Max 1080x2400
Refresh Rate 120 Hz
Display Type LCD
Rear Camera Resolution 50 MP
Number of Rear Cameras 1
Video Recording Resolution 1080p
Video Frame Rate 30 fps, 60 fps
Battery Capacity 5000 mAh (Lithium-ion)
Average Battery Life 24 Hours (usage dependent)
SIM Card Slots Dual SIM (Nano)
Connectivity Technology 5G, LTE
Wireless Technology LTE
Biometric Security Fingerprint Recognition, Facial Recognition
Audio Jack 3.5 mm
Charging Port USB Type-C
Color Negro (Black)
Dimensions (L x W x H) 150 x 15 x 10 cm (Note: This dimension seems incorrect for a phone, likely packaging or a typo in source data)
Water Resistance Level Not water-resistant
Model Year 2025
Box Contents USB Cable

7. Warranty and Support

7.1 Warranty Information

For detailed warranty information, please refer to the warranty card included in your product packaging or visit the official realme website for your region. Warranty terms and conditions may vary by country and retailer.

7.2 Customer Support

If you encounter issues not covered in this manual or require further assistance, please contact realme customer support through their official website or the contact information provided in your product documentation.

© 2025 realme. All rights reserved.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.