---
product_id: 449199348
title: "GT Master Edition Dual-SIM 256GB ROM + 8GB RAM (GSM Only | No CDMA) Factory Unlocked Android 5G Smartphone (Cosmos Black) - International Version"
brand: "realme"
price: "AR$2864078"
currency: ARS
in_stock: true
reviews_count: 13
category: "Realme"
url: https://www.desertcart.com.ar/products/449199348-gt-master-edition-dual-sim-256gb-rom-8gb-ram-gsm
store_origin: AR
region: Argentina
---

# Snapdragon 778G Octa-core 2.4GHz 256GB Storage + 8GB RAM 6.43" Super AMOLED 120Hz Display GT Master Edition Dual-SIM 256GB ROM + 8GB RAM (GSM Only | No CDMA) Factory Unlocked Android 5G Smartphone (Cosmos Black) - International Version

**Brand:** realme
**Price:** AR$2864078
**Availability:** ✅ In Stock

## Summary

> 🚀 Unlock Mastery: Power, Speed & Style in Your Palm

## Quick Answers

- **What is this?** GT Master Edition Dual-SIM 256GB ROM + 8GB RAM (GSM Only | No CDMA) Factory Unlocked Android 5G Smartphone (Cosmos Black) - International Version by realme
- **How much does it cost?** AR$2864078 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/449199348-gt-master-edition-dual-sim-256gb-rom-8gb-ram-gsm)

## Best For

- realme enthusiasts

## Why This Product

- Trusted realme brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual SIM 5G Ready:** Stay connected on two networks simultaneously with blazing-fast 5G speeds—perfect for the global professional.
- • **Massive 256GB Storage:** Store your entire digital life—photos, apps, and files—without ever worrying about space.
- • **Powerhouse Snapdragon 778G:** Seamlessly multitask and game with a cutting-edge 6nm processor built for speed and efficiency.
- • **Vivid 120Hz AMOLED Display:** Experience buttery smooth visuals and vibrant colors that make every scroll and stream pop.
- • **Pro-Grade Triple Camera Setup:** Capture stunning 64MP photos, ultra-wide landscapes, and detailed macros like a true content creator.

## Overview

The realme GT Master Edition is a sleek, factory-unlocked 5G smartphone featuring a 6.43-inch 120Hz Super AMOLED display, powered by a Snapdragon 778G octa-core processor paired with 8GB RAM and 256GB storage. It boasts a versatile triple camera system with a 64MP main sensor and supports dual SIM cards with extensive GSM/4G/5G band compatibility (excluding CDMA networks). Running Android 11 with Realme UI 2.0, it’s designed for professionals seeking high performance, immersive visuals, and reliable connectivity in a stylish Cosmos Black finish.

## Description

The Realme GT Master Edition is powered by 2.4 GHz Octa-core processor and it comes with 8GB of RAM. The Realme GT Master Edition packs 256GB of internal storage that can be expanded.The Realme GT Master Edition runs Android 11 and is powered by a 4300mAh non-removable battery. FREQUENCIES : COMPATIBLE TO USE WITH NETWORK SIM CARDS THAT WORKS ONSIM CARD 1:2G : GSM 850 / 900 / 1800 / 19003G : WCDMA 800(B6) / 800(B19) / 850(B5) / 900(B8) / 1700|2100(B4) / 1900(B2) / 2100(B1)4G : FDD LTE 700(B28) / 850(B5) / 850(B18) / 850(B19) / 850(B26) / 900(B8) / 1700|2100(B4) / 1800(B3) / 1900(B2) / 2100(B1) / 2600(B7) : TDD LTE 1900(B39) / 2000(B34) / 2300(B40) / 2500(B41) / 2600(B38)5G : n1 / n3 / n5 / n7 / n8 / n20 / n28 / n38 / n40 / n41 / n66 / n77 / n78SIM CARD 2:2G : GSM 850 / 900 / 1800 / 19003G : WCDMA 800(B6) / 800(B19) / 850(B5) / 900(B8) / 1700|2100(B4) / 1900(B2) / 2100(B1)4G : FDD LTE 700(B28) / 850(B5) / 850(B18) / 850(B19) / 850(B26) / 900(B8) / 1700|2100(B4) / 1800(B3) / 1900(B2) / 2100(B1) / 2600(B7) : TDD LTE 1900(B39) / 2000(B34) / 2300(B40) / 2500(B41) / 2600(B38)5G : n1 / n3 / n5 / n7 / n8 / n20 / n28 / n38 / n40 / n41 / n66 / n77 / n78 IMPORTANT : PLEASE CHECK WITH YOUR NETWORK PROVIDER FOR COMPATIBILITY CHECK BEFORE YOU PURCHASE.

Review: Does not work with Straight Talk - Like the phone it was very fast had a lot of options and features good clear camera the only problem that I had is that it does not work with Straight Talk
Review: Up there with the all-time greats. The iPhone 5s, OnePlus 7 Pro and now, the GT Master Edition. - Also, I real things a lot of negative things about realme ui but it's 10/10 as far as I'm concerned. THE ONE GLARING FLAW... THERE IS ZERO WAY TO DOUBLE CLICK THE POWER BUTTON TO ACTIVATE THE CAMERA. REALME PLEASE.

## Features

- For USA Buyers: This Smartphone is not compatible/will not work with any CDMA Networks including: VERIZON, SPRINT, US CELLULAR. Please check with your network provider for 3G or 4G/LTE compatibility check before you purchase.
- Dual-SIM, SIM CARD 1: [2G : GSM 850 / 900 / 1800 / 1900 and/or 3G : WCDMA 800(B6) / 800(B19) / 850(B5) / 900(B8) / 1700|2100(B4) / 1900(B2) / 2100(B1) and/or 4G : FDD LTE 700(B28) / 850(B5) / 850(B18) / 850(B19) / 850(B26) / 900(B8) / 1700|2100(B4) / 1800(B3) / 1900(B2) / 2100(B1) / 2600(B7) : TDD LTE 1900(B39) / 2000(B34) / 2300(B40) / 2500(B41) / 2600(B38) and/or 5G : n1 / n3 / n5 / n7 / n8 / n20 / n28 / n38 / n40 / n41 / n66 / n77 / n78] SIM CARD 2: [2G : GSM 850 / 900 / 1800 / 1900]
- 6.43 inches, 1080 x 2400 pixels, Super AMOLED, 120Hz, 1000 nits (peak)
- 256GB Storage, 8GB RAM
- Android 11, Realme UI 2.0, Qualcomm Snapdragon 778G 5G (6 nm), Octa-core (1x2.4 GHz Kryo 670 Prime & 3x2.2 GHz Kryo 670 Gold & 4x1.9 GHz
- 64 MP, f/1.8, 25mm (wide), 1/2", 0.7µm, PDAF, 8 MP, f/2.2, 16mm, 119˚ (ultrawide), 1/4.0", 1.12µm, 2 MP, f/2.4, (macro), Front: 32 MP, f/2.5, 26mm (wide), 1/2.74", 0.8µm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09FY27KTY |
| Aspect Ratio | Unknown |
| Battery Capacity | 4300 milliamp_hours |
| Battery Description | Lithium-Ion |
| Battery Power | 4300 |
| Biometric Security Feature | Fingerprint Recognition |
| Brand | realme |
| Built-In Media | USB Cable |
| Camera Description | Front |
| Cellular Technology | 5G |
| Color | Cosmos Black |
| Connectivity Technology | GSM, LTE, 5G |
| Connector Type | USB Type C |
| Customer Reviews | 4.4 out of 5 stars 384 Reviews |
| Display Resolution Maximum | 1080x2400 |
| Display Type | AMOLED |
| Effective Video Resolution | 8 pixels |
| Form Factor | Slate |
| Frame Rate | 30fps |
| Front Photo Sensor Resolution | 32 mp |
| GPS Geotagging Functionality | True |
| Headphones Jack | No headphone jack |
| Human-Interface Input | Microphone |
| Item Dimensions | 0.35 x 2.89 x 6.27 inches |
| Item Weight | 174 g |
| Manufacturer | Realme |
| Memory Storage Capacity | 256 GB |
| Model Year | 2021 |
| Number of Front Cameras | 1 |
| Number of Rear Facing Cameras | 3 |
| Operating System | Android 11.0 |
| RAM Memory Installed | 8 GB |
| Ram Memory Installed Size | 8 GB |
| Rear Facing Camera Photo Sensor Resolution | 64 mp |
| Resolution | 1080 x 2400 |
| SIM Card Slot Count | Dual SIM |
| Screen Size | 6.43 inches |
| Shooting Modes | Macro |
| Sim Card Size | Nano |
| Specific Uses For Product | Travel, Exploration |
| Unit Count | 1 Count |
| Video Capture Resolution | 8k |
| Warranty Description | 1 year manufacturer |
| Water Resistance Level | Waterproof |
| Wireless Network Technology | GSM |
| Wireless Provider | Unlocked for All Carriers |

## Product Details

- **Brand:** realme
- **Cellular Technology:** 5G
- **Connectivity Technology:** GSM, LTE, 5G
- **Memory Storage Capacity:** 256 GB
- **Model Name:** Realme GT Master Edition
- **Operating System:** Android 11.0
- **Ram Memory Installed Size:** 8 GB
- **Resolution:** 1080 x 2400
- **Screen Size:** 6.43 inches
- **Wireless Carrier:** Unlocked for All Carriers

## Images

![GT Master Edition Dual-SIM 256GB ROM + 8GB RAM (GSM Only | No CDMA) Factory Unlocked Android 5G Smartphone (Cosmos Black) - International Version - Image 1](https://m.media-amazon.com/images/I/71GUo750oSL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Does not work with Straight Talk
*by J***E on March 22, 2022*

Like the phone it was very fast had a lot of options and features good clear camera the only problem that I had is that it does not work with Straight Talk

### ⭐⭐⭐⭐⭐ Up there with the all-time greats. The iPhone 5s, OnePlus 7 Pro and now, the GT Master Edition.
*by T***N on April 16, 2022*

Also, I real things a lot of negative things about realme ui but it's 10/10 as far as I'm concerned. THE ONE GLARING FLAW... THERE IS ZERO WAY TO DOUBLE CLICK THE POWER BUTTON TO ACTIVATE THE CAMERA. REALME PLEASE.

### ⭐⭐⭐⭐ Un problema.
*by T***H on September 8, 2022*

No le pongo 5 estrellas ya que tengo un problema y es que el celular aveces no detecta que estoy usando una app que requiere internet entonces se pega y es como si no tuviera inter y tengo que salirme y volverme a meter, también no le funciona la detección de luz y gravedad.

## Frequently Bought Together

- Realme GT Master Edition Dual-SIM 256GB ROM + 8GB RAM 5G Smartphone (Cosmos Black), Bluetooth, Wi-Fi
- realme GT Master Edition 6+128 GB, Cosmos Black
- EasyLifeGo for Realme 11 Pro/Realme 11 Pro Plus 5G Screen Protector Tempered Glass, Full Coverage HD Anti-Scratch Bubble-Free Tempered Film with High Response [2 Pack]

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**Shop now:** [https://www.desertcart.com.ar/products/449199348-gt-master-edition-dual-sim-256gb-rom-8gb-ram-gsm](https://www.desertcart.com.ar/products/449199348-gt-master-edition-dual-sim-256gb-rom-8gb-ram-gsm)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-08-29*