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Item #:
231284111
realme 12 5G - 8GB/256GB -RMX3999 - DualSIM/5000 mAh battery/45W charging - NEW
Item #:
231284111
XCD 1249
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Imported from USA store
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Order now and get it around Sunday, October 18
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The realme 12 5G is a connectivity powerhouse, equipped with an advanced chipset, long-lasting battery, and a stunning 108 MP camera to capture every moment in breathtaking detail.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Ample Storage
With 256GB storage, the Realme 12 5G ensures ample space for apps, photos, and videos, catering to users who demand high capacity without compromising performance.
Rapid Charging
The 45W fast charging feature minimizes downtime, allowing users to quickly recharge the 5000mAh battery, perfect for those on the go who need their device ready in moments.
Dual SIM Capability
The Dual SIM functionality offers flexibility for both personal and work numbers, delivering seamless connectivity without the need for multiple devices, appealing to busy professionals.
Product Details
| Processor | Octa Core |
| Chipset Model | Mediatek Dimensity 6100+ (6 NM) |
| Lock Status | Factory Unlocked |
| SIM Card Slot | Dual SIM (SIM + SIM/Memory Card) |
| Energy Star | A |
| Network | Unlocked |
| Battery | 5000 mAh Battery |
| Style | Slate |
| Operating System | Android |
| Features | Accelerometer, Ambient Light Sensor, Bluetooth Enabled, Camera, Fast Charging, Fast Wireless Charging, Fingerprint Sensor, Flash Light, Front Camera, Geomagnetic sensor, Geotagging, Global Ready, GPS, Gyro Sensor, High Capacity Battery (5000 mAh or More), LED Flash, Music Player, Nano SIM, Sim Free, Supercharge, Touch Screen, Video Calling, Video Camera, Water-Resistant, Wide-Angle Camera, Wi-Fi Capable, 4G Data Capable, Dual SIM, 3G Data Capable |
| Storage Capacity | 256 GB |
| Camera Resolution | 108.0 MP |
| Screen Size | 6.72 in (17.1 cm) |
| Manufacturer Color | Woodland Green |
| Color | Green |
| Memory Card Type | MicroSD |
| Model Number | RMX3999 |
| Cellular Band | 5G |
| Brand | realme |
| Model | realme 12 5G |
| Connectivity | 2G, 3G, 4G, 5G, 4G LTE, Advanced Audio Distribution Profile (A2DP), Bluetooth, Bluetooth,Wi-Fi, Earjack, Galileo, Glonass, GPRS, GPS, GSM, Headphone Jack, LTE, Quad-Band, USB Type-C, Wi-Fi |
| Charger Included | Yes |
| Contract | Without Contract |
| Country of Origin | China |
| RAM | 8 GB |
| Item Weight | 0.5 lbs (230 grams) |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
-
Heavy Users
With 8GB RAM and 256GB storage, it's perfect for multitasking and heavy app usage.
-
Frequent Travelers
DualSIM capability and long battery life make it ideal for users who travel frequently.
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Media Consumers
The 5G support and large storage provide an excellent experience for streaming and downloading content.
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Gaming Enthusiasts
While capable, it may not satisfy users looking for high performance in the latest mobile games.
Product Description
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Customer Questions & Answers
-
Question:
What is the battery capacity of the realme 12 5G?
Answer: The realme 12 5G features a powerful 5000 mAh battery. -
Question:
What is the camera resolution of the realme 12 5G?
Answer: The device has an exceptional 108 MP camera for stunning photography. -
Question:
Does the realme 12 5G support dual SIM?
Answer: Yes, the realme 12 5G offers Dual SIM functionality for greater connectivity.
realme RMX3999 Editorial Review
Realme 12 5G - 8GB/256GB -RMX3999 - DualSIM/5000 MAh Battery/45W Charging - NEW offers an impressive Octa-Core processor paired with a MediaTek Dimensity 6100+ chipset, ensuring smooth performance. The device is factory unlocked and supports Dual SIM functionality. With a remarkable 5000 mAh battery, users can enjoy extensive usage hours, complemented by 45W fast charging for quick power-ups. The 6.72-inch display and high-quality 108 MP camera provide an immersive experience for photography and media consumption. Notably, it's equipped for global connectivity with 5G capabilities, making it a versatile choice for any user looking to stay connected.
Customer Reviews & Ratings
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Pros
- High-capacity 5000 mAh battery for long usage
- Impressive 108 MP camera for great photos
- Fast 45W charging capabilities saving time
- Dual SIM slot for flexible connectivity
- Large 256 GB storage for ample files
Cons
- Slightly bulky design for some users' preferences
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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XCD 1249
Order now and get it around Sunday, October 18
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Features & Benefits
- Advanced Mediatek Dimensity 6100+ chipset for seamless multitasking.
- Impressive 5000 mAh battery keeps you powered throughout busy days.
- 45W fast charging minimizes downtime and maximizes productivity.
- Stunning 108 MP camera captures high-quality photos and videos.
- Dual SIM functionality for ultimate connectivity wherever you go.
- Future-proofed with 5G capability and comprehensive smart features.
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Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.