realme RMX3999 Android Smart Phone User Guide
- August 14, 2024
- realme
Table of Contents
Quick Guide
RMX3999
Greetings from realme mobile
This guide briefly show you how to use the phone and its important functions.
For more and detailed information of the phone and user guidance, please
visit: www.realme.com/eu/support.
Warning
- Do not place the phone or battery near or inside heating equipment, cooking equipment’s, high pressure vessels (such as microwave ovens, induction cooker, electric oven, heater, pressure cooker, water heater, gas stove, etc.) to prevent the battery overheating which may lead to an explosion.
- When charging, please place the device in an environment that has a normal room temperature and good ventilation. It is recommended to charge the device in an environment with temperature ranging from 5°C~35°C.
- Back cover can’t be removed.
How to reboot the phone
Press and hold the Power Button and Volume Up Button at the same time until
the realme boot animation is displayed to reboot the phone.
How to Transfer Old Mobile Content to a New Mobile
You can use realme Clone Phone to easily transfer photos, videos, music,
contacts, messages, apps, etc from your old phone to the new one.
-
If you have an old Android phone, first scan the QR code below, then download and install Clone Phone, next open Clone Phone on both the new and old phones, and follow the on-screen instructions to complete the operation.
https://i.clonephone.coloros.com/download -
If you have an old iPhone, open Clone Phone on the new phone directly, and follow on-screen instructions to sign in to iCloud account and sync the files.
Standard accessories
1 Phone, 1 USB data cable, 1 Safety Guide, 1 Quick Guide, 1 SIM Ejector
Tool, 1 Protective Case.
Specification
| Product | RMX3999 |
|---|---|
| Main screen parameter | 17.07cm(6.72″) |
| Dimension | 165.6×76.1×7.69(mm) |
| Battery | 4880mAh/18.98Wh(Min) |
5000mAh/19.45Wh(Typ)
Camera| 108 Megapixels + 2 Megapixels Rear 8 Megapixels Front
Operating temperature| O’C-35°C
SAR Values| CE SAR| 0.99W/kg(Head) 1.21W/Icg(Body) 2.76W/kg(Limbs)
Note: The SAR values above are the highest values reported for this device.
Radio Waves Specifications
| Radio | Frequency | Max. Output Power |
|---|---|---|
| GSM | 850MHz/900MHz | 33.5dBm |
| 1800MHz/1900MHz | 30.5dBm | |
| WCDMA | Bands 1/5/6/8/19 | 24.SdBm |
| Bands 2/4 | 24dBm | |
| LTE FDD | Bands 1/3/5/8/12/13/17/18/19 | 24.5d8rn |
| Bands 2/4/7 | 23.5dBm | |
| Bands 20/28 | 25dBm | |
| Bands 26/66 | 24dBm | |
| LTE TDD | Bands 38/39/40 | 24dBm |
| Band 41 | 24.SdBm | |
| 5G NR | n1/n3/n5/n8/n20/n28/n38/n41/n66/n77 | 24.2dBm |
| n7/n40 | 23.7dBm | |
| n78 | 25.7dBm | |
| Bluetooth | 2.4-2.4835GHz | 14dBm(EI RP) |
| 2.4G Wi-Fi | 2.4-2.4835GHz | 20dBm(EI RP) |
| 5G Wi-Fi | 5.15-5.25GHz; 5.25-5.35GHz | 18dBm(EI RP) |
| 5.47-5.725GHz | 19.5dBm(EI RP) | |
| 5.725-5.85GHz | 14dBm(EI RP) | |
| NFC | 13.56MHz | 42dBuA/m @10m |
| The N-Mark is a trademark or registered trademark of NFC Forum, Inc. in the |
United States and in other countries.
---|---
| This product is conformed to High-Resolution Audio standard defined by Japan
Audio Society. The High-Resolution
Audio logo is used under license from Japan Audio Society.
The power delivered by the charger must be between min [2.5] Watts required by
the radio equipment, and max [45] Watts in order to achieve the maximum
charging speed.
USB PD fast charging: Fixed PDO 5V 3A, APDO 11V 4.1A max(requires 5A cable).
SuperVOOC fast charging: 11V 4.1A max.
Some content may differ from your device depending on the region, service
provider, or software version, and is subject to change without prior notice.
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