Samsung Galaxy A31 4G

Quick Facts

Overview

The Samsung Galaxy A31 4G is an older budget Galaxy A Series phone designed for users who want a Samsung smartphone with a Super AMOLED display, large battery, expandable storage and simple everyday usability.

It features a 6.4-inch FHD+ Super AMOLED Infinity-U display, MediaTek Helio P65 or octa-core processor depending on market, up to 128GB storage, microSD card support, quad rear cameras, 20MP front camera, 5,000mAh battery, USB-C charging, 15W fast charging support, in-display fingerprint sensor, 3.5mm headphone jack and 4G LTE connectivity.

As an older lower-end Galaxy A model, the Galaxy A31 4G is not designed for heavy gaming, premium photography, 5G connectivity or fast multitasking. It is better suited for calls, WhatsApp, browsing, YouTube, Facebook, TikTok, email, mobile banking, video calls and simple photo-taking.

For buyers in Singapore, the Galaxy A31 4G can still be considered as a budget phone, spare phone, children’s phone, senior-friendly phone or basic work phone if priced attractively. Users who need 5G, newer software support, smoother long-term performance or better camera processing should compare it with newer Galaxy A models such as the Galaxy A15 5G, Galaxy A16 5G, Galaxy A17 5G or Galaxy A26 5G.

Key Highlights

6.4-inch FHD+ Super AMOLED Display

The Galaxy A31 4G has a 6.4-inch FHD+ Super AMOLED Infinity-U display.

Why it matters:

• Super AMOLED gives better contrast and colours than many basic LCD screens

• FHD+ resolution is sharper than HD+ entry-level displays

• Good for YouTube, browsing, Facebook and TikTok

• Easier to read compared with smaller older phones

• One of the main advantages of the Galaxy A31 4G over many older entry-level models

5,000mAh Battery

The Galaxy A31 4G has a 5,000mAh battery.

Why it matters:

• Useful for long daily use

• Good for calls, messaging, browsing and video watching

• Reduces the need to charge frequently

• Practical for school, work or travel days

• Strong battery capacity for an older budget Samsung phone

Quad Rear Camera System

The Galaxy A31 4G has a quad rear camera system with Main, Ultra Wide, Macro and Depth cameras.

Why it matters:

• 48MP main camera is useful for casual everyday photos

• Ultra Wide camera is useful for group photos and scenery

• Macro camera is useful for simple close-up shots

• Depth camera helps with portrait-style background blur

• More flexible than basic single or dual-camera phones

Key Features Explained

Compare the Galaxy A Budget Models

Which Galaxy A Model Should You Choose?

Alternatives to the Galaxy A31 4G

If you’re considering the Galaxy A31 4G, you may also want to compare:

• Samsung Galaxy A22 4G

• Samsung Galaxy A22 5G

• Samsung Galaxy A15 5G

• Samsung Galaxy A16 5G

• Samsung Galaxy A26 5G

• Samsung Galaxy S20 FE 5G

Comparing similar models can help you decide whether you need the lowest price, 5G connectivity, better display quality, stronger performance, better camera features, newer software support or a higher-end Samsung experience.

Common Questions

Is the Samsung Galaxy A31 4G good for everyday use?

The Galaxy A31 4G is suitable for basic everyday use such as calls, WhatsApp, browsing, email, YouTube, Facebook, TikTok, video calls and mobile banking. As it is an older budget phone, it may feel slow for heavy apps, gaming, multitasking or newer app features.

Does the Galaxy A31 4G support 5G?

No. The Galaxy A31 4G supports 4G LTE but does not support 5G. If 5G is important, compare it with newer models such as the Galaxy A15 5G, Galaxy A16 5G, Galaxy A17 5G or Galaxy A26 5G.

Is the Galaxy A31 4G suitable for seniors?

Yes. The Galaxy A31 4G can be suitable for seniors who mainly need calls, WhatsApp, video calls and simple browsing. It has a clear Super AMOLED display, large battery and simple Samsung interface. However, newer Galaxy A models may offer better app support and longer software updates.

Does the Galaxy A31 4G support microSD card?

Yes. The Galaxy A31 4G supports microSD card expansion up to 512GB. This is useful for users who want more space for photos, videos, documents and WhatsApp media.

Is the Galaxy A31 4G waterproof?

No. The Galaxy A31 4G does not have an official IP water resistance rating. It should be kept away from rain, water splashes, pools and heavy moisture.

Is the Galaxy A31 4G worth buying in Singapore?

The Galaxy A31 4G is worth considering if you want a low-cost Samsung phone with a FHD+ Super AMOLED display, 5,000mAh battery, expandable storage, headphone jack and basic daily performance. For 5G connectivity, newer software support, stronger performance or better long-term usability, compare it with newer Galaxy A models such as the Galaxy A15 5G, Galaxy A16 5G or Galaxy A26 5G.

Why Buy the Samsung Galaxy A31 4G?

The Samsung Galaxy A31 4G is suitable for users who want an affordable Samsung phone with a clear AMOLED display, long battery life and simple daily usability. It offers a 6.4-inch FHD+ Super AMOLED Infinity-U display, MediaTek Helio P65 or octa-core processor depending on market, up to 128GB storage, microSD support, 48MP quad rear camera system, 20MP front camera, 5,000mAh battery, USB-C charging, 15W fast charging support, in-display fingerprint sensor, headphone jack and 4G LTE connectivity.

For customers choosing from the lower-end Galaxy A series, the Galaxy A31 4G should be seen as a practical everyday phone rather than a performance, gaming or premium photography-focused device. It is a good fit for users who value affordability, AMOLED display quality, expandable storage, long battery life and simple Samsung reliability.

Compare available Galaxy A31 4G listings by colour, storage capacity, condition and warranty from verified local sellers on SellUp Marketplace.