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Samsung Galaxy Z Flip4
Specifications
Price in Bangladesh
| Official | 8GB 256GB ৳99,999 |
| Unofficial Unofficial prices and phones are available only non authorized shops. The device does not come with an official warranty in Bangladesh. | 8GB 128GB ৳1,15,000 |
General
| Device Type | Smartphone |
| Model | SM-F721B, SM-F721B/DS, SM-F721N, SM-F721U, SM-F721U1, SM-F721W, SM-F7210 |
| Announced | August, 2025 |
| Released | August, 2025 |
| Status | Available |
Hardware & Software
| Operating System OS => Every computer system run on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphone, PDAs, tablet computers and other handheld devices). The Operating System allows the user to install and run third party applications (apps), apps are used to add new functionality to the device. | Android |
| OS Version | v12 |
| User Interface UI or user interface of a device is the look and feel of the on-screen menu system. How it works, its color scheme, how it responds to button presses, all of these things are part of the user interface. | One UI 4.1.1 |
| Chipset Chipset is a group of integrated circuits designed to perform one or a more dedicated functions, often with real time computing constraints, Popular smartphones are equipped with more advanced embedded chipsets that can do many different tasks depending on their programming. | Qualcomm SM8450 Snapdragon 8 Gen 1+ (4 nm) |
| CPU CPU (Central Processing Unit) mostly known as processors, CPU processes instructions in order to carry out certain functions that make your device operate properly. Processors are often described as the brain of computers, smartphones and tablets, Smartphones and tablets rely on processors to carry out their every task, Processors are an incredibly important factor in selecting any type of computing device, including your smartphone. | Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) |
| GPU GPU (Graphics Processing Unit) is a single-chip processor designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display, This includes things such as lighting effects, object transformations, and 3D motion. | Adreno 730 |
| RAM (Memory) RAM (Random Access Memory) is a type of computer memory that can be accessed randomly, any byte of memory can be accessed without touching the preceding bytes that allows information to be stored and accessed quickly from random locations. RAM is the most common type of memory found in computer systems, smartphones, tablets and other electronic devices. | 8 GB |
Design
| Dimensions | Unfolded: 165.2 x 71.9 x 6.9 mm, Folded: 84.9 x 71.9 x 15.9-17.1 mm |
| Weight | 187 g (6.60 oz) |
| Colors |
Bora Purple, Graphite, Pink Gold, Blue, Yellow, White, Navy, Khaki, Red |
| Build Material | Plastic front (unfolded), glass back (Gorilla Glass Victus+), aluminum frame |
Display
| Display Type Display Technology => A number of display technologies and types used in mobile phones => TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an even advanced version of AMOLED), Resistive Touchscreen (Resistive touchscreens contain two layer of conductive material with a very small gap between them which acts as a resistance), Capacitive Touchsceen (Capacitive touchscreen technology consists of a layer of glass coated with a transparent conductor) | Foldable Dynamic AMOLED 2X |
| Size | 6.7 inches, 101.5 cm2 (~82.1% screen-to-body ratio) |
| Resolution | 1080 x 2640 pixels (~426 ppi density) |
| Brightness | 1200 nits |
| Refresh Rate | 120Hz |
| HDR 10 / HDR+ support |
Rear Camera
| Camera Setup | Dual |
| Main Camera | 12 MP |
| Second Camera | 12 MP |
| OIS | |
| Video | 4K@30/60fps, 1080p@60/240fps, 720p@960fps, HDR10+ |
Front Camera
| Camera Setup | Single |
| Secondary |
10 MP, f/2.4, 26mm (wide), 1.22µm |
| Video | 4K@30fps |
Battery
| Battery Type Battery Type => Cell phones run on various kinds of batteries depending on the manufacturer, phone size or shape and features. There are basically four types of cell phone batteries => Lithium Polymer, Lithium Ion, Nickel Metal Hydride and Nickel Cadmium. | Li-Ion (Lithium Ion) |
| Placement | Non-removable |
| Capacity Battery Capacity is a measure (typically in Amp-hr) of the charge stored by the battery, and is determined by the mass of active material contained in the battery. The battery capacity represents the maximum amount of energy that can be extracted from the battery under certain conditions. | 3700 mAh |
| Wireless Charging Wireless Charging (Inductive Charging) uses an electromagnetic field to transfer energy between two objects. This is usually done with a charging station. Energy is sent through an inductive coupling to an electrical device, which can then use that energy to charge batteries or run the device. |
Fast charging 25W, 50% in 30 min (advertised) Fast wireless charging 15W Reverse wireless charging 4.5W |
Storage
| Storage Type | UFS 3.1 |
| Storage Capacity | 128 GB, 256 GB, 512 GB |
| USB OTG |
Network
| 2G Network |
GSM 850 / 900 / 1800 / 1900 |
| 3G Network |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network |
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 |
| 5G Network |
1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International |
| SIM SIM (Subscriber Identity Module) is a small card that contains mobile network subscriber's account information. This allows the phone using the card to attach to a mobile network. The SIM card is most commonly associated with GSM and UMTS mobile networks. Moving a SIM card from one phone to another allows a subscriber to switch mobile phones without having to contact their mobile network carrier. SIM cards can also be used by a phone to store limited amounts of data, such as phone numbers and text messages. | Standard SIM |
Data
| GPRS GPRS (General Packet Radio Service) is a packet oriented mobile data service on the 2G and 3G cellular communication system's global system for mobile communications (GSM), Generally, GPRS is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection. | |
| EDGE EDGE (Enhanced Data GSM Environment) is a wireless network technology generally considered the next step in the 2G network offers data transfer rates up to four times faster than ordinary GSM networks, Generally, EDGE is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection. | |
| Speed | HSPA, LTE (6CA), 5G |
| Web Browser Web Browser => a web browser is a software application used to locate, retrieve and display content on the World Wide Web, including Web pages, images, video and other files, The primary function of a web browser is to render HTML, the code used to design or markup webpages. | HTML5 |
Messaging
| SMS SMS (Short Messaging Service) is a text messaging service component of phone, Web, or mobile communication systems. It uses standardized communications protocols to allow mobile phone devices to exchange short text messages over the networks. | Yes |
| MMS MMS (Multimedia Messaging Service) is a standard way to send messages that include multimedia content (audio clips, video clips and images) to and from mobile phones over wireless networks using the WAP protocol. | |
| Email Email (Electronic Mail) is a system for receiving, sending, and storing electronic messages, Similar to a letter, email is text messages that may contain files, images, or other attachments sent via the internet to a recipient by using applications and software prograps. An email address is required to receive email, and that address is unique to the user. | Yes |
| IM IM (Instant Messaging) is an exchange of text messages through a software application, it enable you to create a kind of private chat room with another individual in order to communicate in real time over the Internet. | Yes |
Connectivity
| Bluetooth Bluetooth is a wireless communications technology for exchanging data between mobile phones, headsets, computers and other network devices over short distances without wires, Bluetooth technology was primarily designed to support simple wireless networking of personal consumer devices. | 5.2, A2DP, LE |
| Wi-fi Hotspot | |
| Infrared Infrared connectivity is an old wireless technology used to connect two electronic devices. It uses a beam of infrared light to transmit information and so requires direct line of sight and operates only at close range. | |
| USB | USB Type-C 2.0, OTG |
| GPS GPS The Global Positioning System is a satellite-based radio navigation system, GPS permits users to determine their position, velocity and the time 24 hours a day, in all weather, anywhere in the world, In order to locate your position, your device or GPS receiver must have a clear view of the sky. | GPS, GLONASS, GALILEO, BDS |
| NFC NFC (Near field communication) is a set of standards for smartphones and similar devices to establish peer-to-peer radio communications with each other by touching them together or bringing them into proximity, usually no more than a few inches. |
Media
| FM Radio | No |
| Alert Types | Vibration, MP3, WAV ringtones |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm Jack | No |
Sensors & Security
| Fingerprint Sensor |
More
| Made By | South Korea |
| SAR | 1.02 W/kg (head) 0.94 W/kg (body) |
| SAR EU | 1.15 W/kg (head) 1.20 W/kg (body) |
Performance Tests
| AnTuTu | 685754 (v8) | 800001 (v9) |
| GeekBench | 3913 (v5.1) |
| GFXBench | 74fps (ES 3.1 onscreen) |
| Display | 919 nits max brightness (measured) |
| Loudspeaker | -27.5 LUFS (Good) |
| Battery (old) | Endurance rating 75h |
PROS
- Innovative and compact foldable design
- Bright and smooth 120Hz Dynamic AMOLED display
- Powerful Snapdragon 8 Gen 1+ chipset
- Dual 12MP rear cameras with OIS and 4K video
- Fast wired and wireless charging support
- Lightweight and stylish with multiple color options
- Wide 5G band support and robust connectivity
CONS
- Battery capacity (3700mAh) could be better for heavy users
- No expandable storage option
- USB Type-C 2.0 limits fastest data transfer speeds
- Higher price for base model compared to some flagship competitors
Samsung Galaxy Z Flip4 Price in Bangladesh
The Samsung Galaxy Z Flip4 comes at an official price of ৳99,999 for the 8GB RAM and 256GB storage variant in Bangladesh. There is also an unofficial availability of the 8GB RAM and 128GB storage model priced around ৳1,15,000. This device is a flagship foldable smartphone that brings a perfect balance of innovative design and powerful performance.
This compact yet futuristic phone offers a stunning 6.7-inch foldable Dynamic AMOLED 2X display with a smooth 120Hz refresh rate, making it ideal for media consumption and multitasking. Its dual 12MP rear cameras and a 10MP front camera deliver excellent photo and video quality. Powered by the Snapdragon 8 Gen 1+ chipset, it is capable of handling intensive tasks and gaming smoothly. The Galaxy Z Flip4 shines in its premium design with Gorilla Glass Victus+ protection, an aluminum frame, and a foldable form factor that sets it apart in the flagship segment. With fast wired and wireless charging and 5G connectivity, it offers a complete package for tech enthusiasts.
Price & Variants
| RAM & Storage | Price (BDT) | Status |
|---|---|---|
| 8GB RAM / 128GB Storage | ৳1,15,000 (Unofficial) | Available |
| 8GB RAM / 256GB Storage | ৳99,999 (Official) | Available |
| 8GB RAM / 512GB Storage | Not officially listed | Available |
Samsung Galaxy Z Flip4 Specifications
The Samsung Galaxy Z Flip4 is a sophisticated foldable smartphone designed to combine style with powerful features. Below is a detailed table highlighting its core specifications:
| Feature | Details |
|---|---|
| Model Name | Samsung Galaxy Z Flip4 |
| Release Date | August 2022 |
| Market Availability | Available |
| Official Price | ৳99,999 (8GB/256GB) |
| RAM & Storage | 8GB RAM; 128GB / 256GB / 512GB Storage |
Display and Design
The Galaxy Z Flip4 boasts a 6.7-inch Dynamic AMOLED 2X foldable display, offering a crisp 1080 x 2640 pixels resolution at approximately 426 ppi. The screen supports a high refresh rate of 120Hz, ensuring fluid animations and smooth scrolling. It achieves peak brightness up to 1200 nits and supports HDR10+ for vibrant colors and contrast.
Design-wise, the phone features a unique foldable form factor with a plastic front (when unfolded), Gorilla Glass Victus+ on the back, and a sturdy aluminum frame. When unfolded, its dimensions are 165.2 x 71.9 x 6.9 mm; when folded, it becomes compact at 84.9 x 71.9 x 15.9-17.1 mm. It weighs a light 187 grams, making it pocket-friendly. The phone comes in multiple elegant colors such as Bora Purple, Graphite, Pink Gold, Blue, Yellow, White, Navy, Khaki, and Red.
Performance and Processor
Under the hood, the Samsung Galaxy Z Flip4 is powered by the Qualcomm Snapdragon 8 Gen 1+ chipset built on a 4 nm process, featuring an octa-core CPU with a 3.19 GHz Cortex-X2 prime core and an Adreno 730 GPU. This combination offers excellent performance for gaming, multitasking, and demanding apps.
The phone comes equipped with 8GB of RAM and offers UFS 3.1 storage options of 128GB, 256GB, and 512GB. Unfortunately, the storage is not expandable via microSD. The device handles multitasking with ease and delivers smooth, lag-free experiences for everyday users.
Camera and Video
Samsung equips the Z Flip4 with a dual rear camera setup featuring two 12MP sensors: a primary wide-angle lens and a secondary ultra-wide lens. The main camera includes Optical Image Stabilization (OIS) and supports 4K video recording at 30/60fps, along with slow-motion capabilities (1080p@240fps and 720p@960fps). HDR10+ video recording enhances dynamic range in videos.
The front-facing camera is a single 10MP sensor with an f/2.4 aperture, capable of 4K video recording at 30fps. Samsung’s AI enhancements, night mode, and various software features ensure excellent photos even in low-light conditions.
Battery and Charging
The Galaxy Z Flip4 is powered by a 3700mAh non-removable Li-Ion battery. It supports 25W fast wired charging that can charge up to 50% in about 30 minutes. Additionally, it offers 15W fast wireless charging and 4.5W reverse wireless charging, allowing it to charge other compatible devices wirelessly.
Battery performance is efficient for moderate daily use, although heavy users might find it average given the power-hungry foldable display and flagship chipset.
Connectivity and 5G Support
The phone supports a wide range of network bands across 2G, 3G, 4G LTE, and 5G (including SA/NSA and Sub6 GHz bands), ensuring excellent global compatibility. It comes with a single SIM slot.
Connectivity options include Bluetooth 5.2 with A2DP and LE, Wi-Fi hotspot capabilities, infrared, NFC, and GPS with support for GPS, GLONASS, GALILEO, and BDS. The device uses USB Type-C 2.0 for charging and data transfer, supporting USB OTG as well.
Additional Features
Key sensors include a side-mounted fingerprint sensor for quick and secure unlocking, accelerometer, gyro, proximity sensor, and compass. The phone runs on Android 12 with Samsung’s One UI 4.1.1 overlay, providing a smooth and feature-rich user experience.
Additional perks include stereo speakers for immersive sound, Gorilla Glass Victus+ protection for durability, and a stylish foldable design that stands out in the market.
Reason to Buy
- Unique foldable design offering a compact form factor without sacrificing screen size.
- Powerful Snapdragon 8 Gen 1+ chipset ensuring top-tier performance.
- Vibrant 6.7-inch AMOLED display with 120Hz refresh rate for smooth visuals.
- Dual 12MP rear cameras with OIS and 4K video recording capabilities.
- Fast wired and wireless charging support.
- Wide 5G band compatibility for future-proof connectivity.
- Multiple premium color options to suit different tastes.
- Lightweight and pocket-friendly for everyday portability.
Verdict
The Samsung Galaxy Z Flip4 is an excellent choice for those seeking a flagship foldable smartphone that combines style, power, and portability. Its innovative foldable display delivers a large screen experience in a pocket-sized device, ideal for multitasking and media consumption. With its top-tier Snapdragon processor, solid camera system, and fast charging capabilities, it competes strongly in the premium segment.
This phone is especially suited for tech enthusiasts and fashion-conscious users who appreciate cutting-edge design alongside high performance. While battery life is average, the overall package makes it a standout device in the foldable category.
FAQ
Q: Does the Samsung Galaxy Z Flip4 support 5G?
A: Yes, it supports a wide range of 5G bands, including SA/NSA and Sub6 GHz networks.
Q: Is the storage expandable?
A: No, the storage is not expandable via microSD cards.
Q: What is the screen size when unfolded?
A: The main foldable display measures 6.7 inches diagonally.
Q: Does it support wireless charging?
A: Yes, it supports 15W fast wireless charging and 4.5W reverse wireless charging.
Q: What version of Android does it run?
A: It comes with Android 12 and Samsung’s One UI 4.1.1.
Alternatives to Samsung Galaxy Z Flip4
- Samsung Galaxy Z Flip5 (latest foldable with improved design and chipset)
- Samsung Galaxy Z Fold4 (larger foldable with tablet-like screen)
- Google Pixel Fold (Google’s foldable with stock Android and excellent cameras)
- Huawei Mate X3 (premium foldable with unique outward folding display)
- Samsung Galaxy S23 Ultra (non-foldable flagship with top-notch camera and performance)
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