Samsung J400

★★★★★ ★★★★★

(13 reviews)

£42.00 RRP £ 50.00 Save £8.00

Initially, the J4 was a cheap Galaxy J-series phone targeting the affordable market segment. It has a 5.5-inch Super AMOLED screen, a 13 MP rear camera and a removable 3,000 mAh battery. The phone's processor, Exynos 7570, and RAM of 2-3 GB, it is designed for simple daily functions.

Colour

Changed due to selection

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Purple

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Manufacturer Code	N/A
EAN	N/A
Colour	Black

Display	5.5″ Super AMOLED, 720×1280 (267 ppi)
Processor	Exynos 7570 (Quad-core 1.4 GHz)
RAM	2 GB or 3 GB
Storage	16 GB / 32 GB, microSD up to 256 GB
Rear Camera	13 MP, f/1.9, LED flash
Front Camera	5 MP, f/2.2, LED flash
Battery	3,000 mAh removable

condition

Free next day delivery for orders over £150
Free 48 hour delivery for orders over £30

The length of warranty depends on the condition of the device.

Brand New - manufacturer warranty (min. 12 months)
Refurbished (Good or better) - 12 month warranty
Refurbished (Poor condition) - 3 month warranty

Please note that your warranty will not cover any faults due to impact, pressure, liquid damage, temperature, or any attempt (by you or a third party) to alter or repair the device.

Need to send your phone back to us? No problem! Returning an item is simple and hassle-free at The Big Phone Store. Here’s how it works:

You have 15 days from the date of purchase to notify us that you wish to return your order.
Once your return is approved, you have an additional 15 days to send the item back to us, totalling up to 30 days to complete your return.

N/A

Sleek Design for Everyday Use

The Samsung Galaxy J400, a standout in the budget Android phone category, boasts a lightweight plastic body that’s both durable and stylish. At just 8.1mm thick and weighing 165g, it’s easy to carry, making it ideal for users seeking a reliable mid-range smartphone in 2025. Available in vibrant colors like Black, Gold, and Blue, it features a 5.5-inch display and an ergonomic design. With an IP54 rating for splash and dust resistance, the Galaxy J400 offers practical durability for daily use, competing well with other affordable smartphones.

Lightweight plastic body, 8.1mm thick
165g weight
IP54 splash/dust resistance
Colors: Black, Gold, Blue

Feature	Details
Dimensions	147.7 x 71.2 x 8.1 mm
Weight	165g
Materials	Plastic, Gorilla Glass 3
Colors	Black, Gold, Blue

Vivid Display for Immersive Viewing

The Samsung Galaxy J400 sports a 5.5-inch Super AMOLED display, delivering vibrant colors and deep blacks, perfect for streaming and gaming on a budget Android phone. With a 1280 x 720 resolution at 267 PPI and 400 nits brightness, it ensures clear visuals even in bright conditions. Protected by Gorilla Glass 3, the display is built to resist scratches, making it a top pick for mid-range smartphone users in 2025. While it lacks a high refresh rate, the screen’s clarity makes it a great value.

Super AMOLED, 1280 x 720, 267 PPI
400 nits brightness
Gorilla Glass 3 protection
5.5-inch display

Specification	Details
Size	5.5 inches
Type	Super AMOLED
Resolution	1280 x 720, 267 PPI
Brightness	400 nits

Smooth Performance for Daily Tasks

Equipped with an Exynos 7570 Quad-Core processor (1.4GHz, 14nm), the Samsung Galaxy J400 delivers reliable performance for a budget Android phone. With options for 2GB or 3GB RAM and 16GB/32GB storage (expandable via microSD), it handles multitasking and light gaming with ease. Running Android 8.0 Oreo, upgradable to Android 10, it features Samsung’s Experience UI for a user-friendly interface. With Knox security, it’s a solid choice for users seeking Samsung J series performance in 2025.

Exynos 7570 Quad-Core
2GB/3GB RAM
Android 8.0 (up to Android 10)
Knox security

Test	J400 Score (est.)
Geekbench 4 (Single-Core)	~700
Geekbench 4 (Multi-Core)	~2000

All-Day Battery Life

The Samsung Galaxy J400 features a 3000mAh battery, offering up to 12 hours of video playback and a full day of real-world use, ideal for a mid-range smartphone in 2025. It supports 15W charging via USB-C, reaching a full charge in about 100 minutes, ensuring minimal downtime. While it lacks wireless charging, its battery efficiency makes it a dependable choice for budget-conscious users looking for Samsung Galaxy J400 specs that deliver value.

3000mAh battery
Up to 12h video playback
15W charging, 0–100% in ~100min
No wireless charging

Model	Battery Life (Video)	Real-World Test
Galaxy J400	12h	1 day

Why People Love Us

Trusted for our quality, loved for our service. We deliver excellence every step of the way.

Fenwick

Posted on Feb 03, 2026

The refurbished Samsung J400 still performs well for basic needs. Ideal for anyone searching for an affordable Samsung phone UK with solid battery life.

Holtway

Posted on Feb 03, 2026

My experience with the refurbished Samsung J400 has been reliable and smooth for daily use. It’s a great unlocked Android phone in the UK for calls, messaging, and light apps at a budget price.

Elvric

Posted on Jan 30, 2026

This refurbished Samsung J400 surprised me with its durability and easy usability. It’s a great entry-level Samsung phone UK buyers often overlook. Perfect for someone wanting a simple and affordable Android device.

Hawthrone

Posted on Jan 30, 2026

I bought this refurbished Samsung J400 as a budget Android phone UK option and it performs reliably for daily tasks. The compact design and smooth interface make it ideal as a cheap smartphone UK users can trust. Battery life has been solid for calls, browsing, and light apps.

Corppe

Posted on Jan 29, 2026

Bought this refurbished Samsung J400 as a budget smartphone UK option and it performs well for calls and daily apps. As an unlocked Samsung phone UK, it’s simple, reliable, and ideal for light use.

Westvy

Posted on Jan 29, 2026

This refurbished Samsung J400 is a solid choice if you want an affordable Android phone UK with dependable performance. Works smoothly on UK networks and feels great for basic everyday needs.

Moor

Posted on Dec 11, 2025

My experience with the refurbished Samsung Galaxy S22 Plus has been brilliant the display is flawless, performance is lightning fast, and the phone looks practically new.

Moor

Posted on Dec 11, 2025

My refurbished J400 arrived in top condition and performs surprisingly well. Ideal as a backup or budget-friendly refurbished device.

Isla Noor

Posted on Dec 11, 2025

The refurbished Samsung J400 is a fantastic low-cost choice. Works smoothly for calls, messages, and basic apps. Excellent refurbished value.

George

Posted on Sep 22, 2025

Samsung J400 is a straightforward phone with dependable performance. My Samsung J400 is perfect for calls, browsing, and light apps. A reliable option for basic use.

Samsung J400

Colour

Product Information

Product Specification

Condition

Condition Information

Delivery

Warranty

Returns

FAQS

Sleek Design for Everyday Use

Vivid Display for Immersive Viewing

Smooth Performance for Daily Tasks

All-Day Battery Life

Why People Love Us

Fenwick

Holtway

Elvric

Hawthrone

Corppe

Westvy

Moor

Moor

Isla Noor

George