Brand: realme
Category: Mobile Device
Document Type:
Language: EN
Available Languages: EN , ES
Manual for RMX3871
Uploaded: Aug. 10, 2025, 12:04 a.m.
Warranty Information
The warranty period is 24 months.
Greetings from realme mobile
This guide helps you to use the phone and its important functions.
For more information, please refer to the user guide and
assistance website: www.realme.com/support.
How to restart the phone
Press and hold the Power button and Volume Up button at the same time until the realme logo appears.
How to Transfer Old Mobile Data to a New Mobile
You can use realme Clone Phone to transfer photos, videos, music, contacts, apps, call logs, and text messages from your old phone to your new phone. Open Clone Phone on both the new and old phones, and then follow the on-screen instructions to complete the operation.
https://www.realme.com/global/support/ Realme-clone-phone
Standard accessories
1. Phone (mobile device), 2. USB Cable, 3. Quick Guide, 4. Quick Safety, 5. SIM Ejector Tool, 6 Protective Case
Troubleshooting and error codes
| Problem | Solution |
|---|---|
| The phone does not turn on | Charge the phone for a while, then try to turn it on again. Press and hold the Power button for a longer time. |
| The phone cannot connect to Wi-Fi | Restart your Wi-Fi router. Turn off Wi-Fi on your phone and turn it on again. Ensure you are within the Wi-Fi range. |
| The phone is too slow | Close unused apps. Clear cache. Restart the phone. |
| Cannot make or receive calls | Check if the SIM card is inserted correctly. Check if Airplane mode is off. Check if there is network coverage. |