---
product_id: 490105885
title: "Samsung Galaxy Z Flip 4 5G, US Version, 128GB, Graphite - Unlocked (Renewed)"
brand: "samsung"
price: "HK$2964"
currency: HKD
in_stock: true
category: "Amazon Renewed"
url: https://www.desertcart.hk/products/490105885-samsung-galaxy-z-flip-4-5g-us-version-128gb-graphite
store_origin: HK
region: Hong Kong
---

# Adaptive 48-120Hz refresh rate for ultra-smooth visuals 6.7" Dynamic AMOLED 2X foldable display 3700mAh battery with up to 33 hours talk time Samsung Galaxy Z Flip 4 5G, US Version, 128GB, Graphite - Unlocked (Renewed)

**Brand:** samsung
**Price:** HK$2964
**Availability:** ✅ In Stock

## Summary

> 📲 Flip the script on smartphone style and performance!

## Quick Answers

- **What is this?** Samsung Galaxy Z Flip 4 5G, US Version, 128GB, Graphite - Unlocked (Renewed) by samsung
- **How much does it cost?** HK$2964 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/490105885-samsung-galaxy-z-flip-4-5g-us-version-128gb-graphite)

## Best For

- samsung enthusiasts

## Why This Product

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

## Key Features

- • **Power That Lasts:** Stay unplugged longer with a robust 3700mAh battery delivering up to 33 hours of talk time—work, play, and connect all day.
- • **Snapdragon Speed:** Powered by a 2.75 GHz Snapdragon processor and 8GB RAM, enjoy seamless performance for demanding apps and multitasking.
- • **Unlocked Freedom:** Fully unlocked for all US carriers, giving you the flexibility to choose your network without compromise.
- • **Foldable Brilliance:** Experience the future of mobile with a sleek 6.7" foldable AMOLED screen that fits your lifestyle and your pocket.
- • **Fluid Motion Mastery:** Adaptive refresh rate from 48 to 120Hz ensures buttery-smooth scrolling, gaming, and multitasking in Flex Mode.

## Overview

The Samsung Galaxy Z Flip 4 5G (128GB, Graphite) is a cutting-edge foldable smartphone featuring a 6.7" Dynamic AMOLED 2X display with adaptive 48-120Hz refresh rate, Snapdragon 2.75 GHz processor, 8GB RAM, and a 3700mAh battery offering up to 33 hours of talk time. This unlocked device supports 5G connectivity, dual SIM, and Flex Mode for hands-free multitasking, making it a perfect blend of innovation, style, and power for the modern professional.

## Description

Introducing the Samsung Galaxy Z Flip 4 SM-F721U, a remarkable fusion of style and functionality. Elevating your smartphone experience with its innovative design, this device seamlessly combines cutting-edge technology with a sleek, compact form factor. With its revolutionary foldable display, the Galaxy Z Flip 4 offers a unique and immersive viewing experience. From streaming your favorite content to multitasking with multiple apps, the flexible screen adapts to your needs, providing unparalleled versatility.

## Features

- The 6.7″ Dynamic AMOLED 2X foldable main screen supports an adaptive 48–120 Hz refresh rate and HDR10+, offering incredibly fluid motion for gaming, media playback, and split-screen multitasking when using Flex Mode.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BKTWLR31 |
| Additional Features | Flexible Screen, Flex Mode, Hands-Free Usage |
| Aspect Ratio | 1.55:1 |
| Average Battery Life Talk Time | 33 hours |
| Battery Average Life | 18 hours |
| Battery Capacity | 3700 milliamp_hours |
| Battery Description | Lithium-Ion |
| Battery Power | 3700 milliamp_hours |
| Best Sellers Rank | #320 in Amazon Renewed ( See Top 100 in Amazon Renewed ) #102 in Renewed Smartphones #173 in Cell Phones |
| Biometric Security Feature | Fingerprint Recognition |
| Brand | Samsung |
| Built-In Media | Charging Cable |
| Camera Description | Front |
| Camera Flash | no flash |
| Cellular Technology | 5G |
| Color | Graphite |
| Connectivity Technology | Bluetooth |
| Connector Type | USB Type C |
| Customer Reviews | 3.7 3.7 out of 5 stars (2,619) |
| Display Resolution Maximum | 2640 x 1080 pixels |
| Display Type | AMOLED |
| Flash Memory Supported Size Maximum | 512 GB |
| Form Factor | Foldable Screen |
| Frame Rate | 24, 30, 60 |
| Front Photo Sensor Resolution | 10 mp |
| GPS Geotagging Functionality | True |
| Headphones Jack | No headphone jack |
| Item Dimensions | 6.5 x 2.83 x 0.27 inches |
| Item Weight | 6.56 ounces |
| Manufacturer | Samsung |
| Memory Storage Capacity | 128 GB |
| Model Series | 2021 |
| Model Year | 2022 |
| Number of Front Cameras | 1 |
| Number of Rear Facing Cameras | 2 |
| Operating System | Android |
| Phone Talk Time | 33 hours |
| Processor Series | Snapdragon |
| Processor Speed | 2.75 GHz |
| RAM Memory Installed | 8 GB |
| Rear Facing Camera Photo Sensor Resolution | 12 mp |
| Refresh Rate | 120 |
| Resolution | 1440 x 2560 |
| SIM Card Slot Count | Dual SIM |
| Screen Size | 6.7 inches |
| Shooting Modes | Custom |
| Sim Card Size | Nano |
| Specific Uses For Product | [POSSIBLE] travel, social media, fashion-conscious individuals |
| UPC | 749876120695 |
| Unit Count | 1 Count |
| Video Capture Resolution | 4k |
| Warranty Description | 90 Day Limited Warranty |
| Water Resistance Level | Water Resistant |
| Wireless Network Technology | CDMA, GSM, LTE, Wi-Fi |
| Wireless Provider | Unlocked |

## Product Details

- **Brand:** Samsung
- **CPU Model:** Snapdragon
- **CPU Speed:** 2.75 GHz
- **Memory Storage Capacity:** 128 GB
- **Model Name:** Galaxy Z Flip 4
- **Operating System:** Android
- **Ram Memory Installed Size:** 8 GB
- **Refresh Rate:** 120
- **Resolution:** 1440 x 2560
- **Screen Size:** 6.7 inches

## Images

![Samsung Galaxy Z Flip 4 5G, US Version, 128GB, Graphite - Unlocked (Renewed) - Image 1](https://m.media-amazon.com/images/I/51Ggw4SLTUL.jpg)

## Available Options

This product comes in different **Service Provider, Color, Product Grade, Memory Storage Capacity** options.

## Questions & Answers

**Q: Screen size?**
A: 6.7-inch
The Galaxy Z Flip 4 has two screens: its foldable inner 6.7-inch display with a 120 Hz variable refresh rate and its 1.9-inch cover display.

**Q: Will it work for metro**
A: I'm not sure if it will work with metro but all you have to do is replace the Sim card that's how mine worked

**Q: Whats the diferrence between factory unlocked and fully unlocked**
A: They are the same

**Q: I've used Consumer Cellular for years and it's basically a phone with texting. Is Samsung flip a smart phone with internet?**
A: yes it does and it's very small when folded really great phone great videos and pictures

## Frequently Bought Together

- SAMSUNG Galaxy Z Flip 4 5G, US Version, 128GB, Graphite - Unlocked (Renewed)
- for Samsung Z Flip 4 Case: [Full Cover Hinge Protection] Slim Phone Case with Built-in Screen Protection Metal Volume Key Protection Wireless Charging for Galaxy Z Flip 4 5G(2022) (Black)
- YWXTW [2+2 Pack] for Samsung Galaxy Z Flip 4 5G EPU Screen Protector + Camera Lens Protector Tempered Glass, Upgraded Ultra-Thin High Definition Clear Full Coverage Case Friendly

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.hk/products/490105885-samsung-galaxy-z-flip-4-5g-us-version-128gb-graphite](https://www.desertcart.hk/products/490105885-samsung-galaxy-z-flip-4-5g-us-version-128gb-graphite)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-09-23*