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Samsung Galaxy M31 Prime
Specifications
Price in Bangladesh
| Expected Price | 22,000 |
General
| Device Type | Smartphone |
| Model | SM-M315F/DS |
| Announced | October, 2025 |
| Released | October, 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 | v10 |
| 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 2.1 |
| 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. | Exynos 9611 (10nm) |
| 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 (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) |
| 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. | Mali-G72 MP3 |
| 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. | 6 GB |
Design
| Dimensions | Ocean Blue, Space Black, Iceberg Blue |
| Weight | 191 g (6.74 oz) |
| Colors |
Ocean Blue, Space Black, Iceberg Blue |
| Build Material | Glass front (Gorilla Glass 3), plastic back, plastic 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) | Super AMOLED |
| Size | 6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio) |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) |
| Brightness | 420 nits |
| HDR 10 / HDR+ support |
Rear Camera
| Camera Setup | Quad |
| Main Camera | 64 MP |
| Specifications | f/2.2, (depth) |
| Second Camera | 8 MP |
| Specifications | f/2.2, (depth) |
| Third Camera | 5 MP |
| Specifications | f/2.2, (depth) |
| Fourth Camera | 5 MP |
| Specifications | f/2.2, (depth) |
| OIS | |
| Video | 4K@30fps, 1080p@30fps, gyro-EIS |
Front Camera
| Camera Setup | Single |
| Secondary |
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm |
| Video | 4K@30fps, 1080p@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. | 6000 mAh |
| Quick Charging | Fast charging 15W |
Storage
| Storage Type | UFS 2.1 |
| Storage Capacity | 64 GB, 128 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, 20, 26, 28, 38, 40, 41, 66 |
| 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 |
| 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. | 5.0, 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 |
| 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 | FM radio, RDS, recording |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
Sensors & Security
| Fingerprint Sensor |
More
| Made By | Korea |
| SAR | 0.38 W/kg (head) |
Performance Tests
PROS
- Bright and colorful Super AMOLED display
- Huge 6000mAh battery with solid endurance
- 64MP quad camera setup offers good versatility
- Smooth performance for daily tasks
- Dedicated microSD card slot
- USB Type-C and 3.5mm headphone jack
- Samsung brand trust and One UI experience
CONS
- No 5G support
- 15W charging is relatively slow
- Plastic back and frame
- Slightly bulky due to large battery
- No high refresh rate (60Hz only)
Samsung Galaxy M31 Prime Price in Bangladesh
The Samsung Galaxy M31 Prime is priced at ৳22,000 in Bangladesh for its base variant. The phone is available in two storage options: 64GB and 128GB, both paired with 6GB of RAM.
The Galaxy M31 Prime is a mid-range smartphone offering a great mix of solid performance, long-lasting battery life, and impressive camera features. With a Super AMOLED display, 64MP quad-camera setup, and a massive 6000mAh battery, it caters well to users looking for value-driven performance at an affordable price.
Whether you’re a casual user or someone who consumes a lot of media, the M31 Prime offers a vibrant screen, reliable multitasking, and standout battery capacity — making it one of the best in its class.
Price & Variants
| RAM & Storage | Price (BDT) | Status |
|---|---|---|
| 6GB + 64GB | ৳22,000 | Available |
| 6GB + 128GB | ৳22,000* | Coming Soon |
*Price may vary slightly based on availability and seller.
Samsung Galaxy M31 Prime Specifications
The Samsung Galaxy M31 Prime is a feature-packed smartphone designed for everyday use with premium essentials. It offers a vibrant AMOLED display, a powerful Exynos chipset, and a long-lasting battery — all wrapped in a sleek design.
| Feature | Details |
|---|---|
| Model Name | Samsung Galaxy M31 Prime (SM-M315F/DS) |
| Release Date | October 2020 |
| Market Availability | Available |
| Official Price | ৳22,000 |
| RAM & Storage | 6GB RAM with 64GB / 128GB Storage |
Display and Design
The Galaxy M31 Prime features a 6.4-inch Super AMOLED display with a Full HD+ resolution of 1080 x 2340 pixels, offering vibrant colors and deep blacks. With a 403 ppi pixel density and a screen-to-body ratio of ~84.1%, it’s a treat for media lovers.
While the display doesn’t offer a high refresh rate, it still delivers excellent visual clarity for everyday tasks and streaming.
In terms of design, the phone sports a glass front protected by Gorilla Glass 3, a plastic back, and a plastic frame. It comes in Ocean Blue, Space Black, and Iceberg Blue, weighing just 191 grams — providing a solid yet comfortable grip.
Performance and Processor
Under the hood, the Galaxy M31 Prime is powered by the Exynos 9611 (10nm) chipset, paired with an octa-core CPU (4×2.3 GHz Cortex-A73 + 4×1.7 GHz Cortex-A53) and Mali-G72 MP3 GPU.
With 6GB of RAM and either 64GB or 128GB of UFS 2.1 storage, the phone handles daily tasks and multitasking smoothly. Storage is also expandable via microSD, giving users extra room for media and apps.
While not designed for heavy gamers, casual games and everyday use run smoothly with minimal lag.
Camera and Video
The camera setup on the M31 Prime is impressive for its price. It features a quad-camera system:
- 64MP main sensor
- 8MP ultrawide lens
- 5MP macro lens
- 5MP depth sensor
The camera supports 4K video recording at 30fps, as well as 1080p video with gyro-EIS for stable footage. It performs well in daylight, and the wide-angle lens is great for capturing landscapes.
The 32MP front camera is ideal for selfies and supports 4K video too — a rare feature in this price range.
Battery and Charging
One of the Galaxy M31 Prime’s standout features is its massive 6000mAh battery, which easily lasts more than a day on a full charge.
It supports 15W fast charging via a USB Type-C 2.0 port. While not the fastest in today’s standards, the large capacity ensures long-lasting power for heavy users.
Connectivity and 5G Support
The Galaxy M31 Prime supports a wide range of 4G LTE bands, ensuring reliable connectivity across most networks in Bangladesh. It includes:
- 2G / 3G / 4G network support
- Dual SIM slots
- Bluetooth 5.0
- Wi-Fi 802.11 a/b/g/n/ac
- USB Type-C 2.0
- GPS with A-GPS, GLONASS, GALILEO, and BDS
There is no 5G support, which is expected in this mid-range segment.
Additional Features
The phone comes with a rear-mounted fingerprint sensor and essential sensors like an accelerometer, gyro, proximity sensor, and compass. It runs Android 10 with Samsung’s One UI 2.1, offering a clean and user-friendly experience.
Other features include:
- FM Radio with recording
- 3.5mm headphone jack
- USB OTG support
- Made in Korea
Reason to Buy
Here are some solid reasons why the Galaxy M31 Prime is a smart purchase:
- Massive 6000mAh battery ensures long usage time
- Super AMOLED display delivers vibrant colors
- 64MP quad-camera setup for versatile photography
- Powerful Exynos 9611 chipset with smooth performance
- Samsung reliability with regular software updates
- Expandable storage via microSD
- Value-for-money pricing under ৳25,000
Verdict
The Samsung Galaxy M31 Prime is an ideal choice for users who want an affordable phone without sacrificing performance or battery life. With its vibrant display, strong camera system, and huge battery, it suits students, content consumers, and everyday users.
While it lacks modern features like 5G or higher refresh rate, it offers excellent value in the mid-range segment — especially for those prioritizing display and battery life.
FAQ
Q. What is the price of Samsung Galaxy M31 Prime in Bangladesh?
A. The price starts at ৳22,000 for the 6GB + 64GB variant.
Q. Does the M31 Prime support fast charging?
A. Yes, it supports 15W fast charging.
Q. Is there a fingerprint sensor?
A. Yes, it has a rear-mounted fingerprint sensor.
Q. Is the battery removable?
A. No, the 6000mAh battery is non-removable.
Q. Can I expand the storage?
A. Yes, the storage is expandable via microSD card.
Q. Does it support 5G?
A. No, the Galaxy M31 Prime supports up to 4G LTE only.
Alternatives to Samsung Galaxy M31 Prime
Looking for more options? Here are some latest alternatives in the same price range:
- Samsung Galaxy A14 (4G/5G) – Stylish design, One UI Core, budget 5G support (on 5G model)
- Redmi Note 12 4G – AMOLED display, Snapdragon 685, 5000mAh battery
- Realme Narzo 60x – 5G-ready, slim design, 50MP AI camera
- Infinix Zero 30 4G – 108MP camera, Helio G99, 45W fast charging
User Reviews
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