400 Pro
HONOR 400 Pro Midnight Black 512GB
HONOR 400 Pro Midnight Black 512GB

HONOR 400 Pro

5G SA

400 Pro
HONOR 400 Pro Midnight Black 512GB
HONOR 400 Pro Midnight Black 512GB

In stock

Order by midnight for free next-working-day home delivery
HONOR 400 Pro. Big on brains and beauty. Snap epic pics with the 200MP Hybrid AI Camera and view your favourites on the bright Eye Comfort Display. With smart AI tools, a long-lasting battery and tough water resistance, 400 Pro’s got it all covered.
Looking for the Honor 400 smart?
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Data
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25GB
Classic plan
36 month contract
Upfront
+
£
31
.28
MONTHLY
From Apr 2026 bill £33.78
From Apr 2027 bill £36.28

Monthly cost breakdown:

£15.28 Device +£16.00† Airtime
15GB
Plus plan
36 month contract
Upfront
+
£
32
.27
MONTHLY
From Apr 2026 bill £34.77
From Apr 2027 bill £37.27

Monthly cost breakdown:

£15.28 Device +£16.99† Airtime
50GB
Plus plan
36 month contract
Upfront
+
£
35
.27
MONTHLY
From Apr 2026 bill £37.77
From Apr 2027 bill £40.27

Monthly cost breakdown:

£15.28 Device +£19.99† Airtime

Choose your Extra

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Data rollover

Take last month's unused data from your main allowance into the next. Included with Plus and Ultimate Plans.

Get more out of life

With extra benefits for being with both Virgin Media and O2​

Features

Tech specs

200 MP

Camera

​​100W Supercharge​ 

Charging Times

5G

Data Connectivity

6.7 inch

Screen Size

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Related products

1 COLOUR
device-image
HONOR
Magic7 Lite
4.3

5G ready

£
30
.00
Upfront
+
£
36
.28 †
A month

£10.28  Device +

£26.00 * Airtime

36 month Device Plan.
Monthly rolling Airtime Plan.
2 COLOURS
device-image
HONOR
200 Pro
4.2
£
30
.00
Upfront
+
£
41
.44 †
A month

£15.44  Device +

£26.00 * Airtime

36 month Device Plan.
Monthly rolling Airtime Plan.
BLACK FRIDAY
1 COLOUR
device-image
HONOR
400 Lite
3.7

5G ready

Claim HONOR Headphones Pro. Ends 10 December.
£
10
.00
Upfront
+
£
32
.67 †
A month

£6.67  Device +

£26.00 * Airtime

36 month Device Plan.
Monthly rolling Airtime Plan.

FAQs

When was the Honor 400 Pro release date?

Honor 400 Pro was announced and released on the 22nd May, 2025. It's now available to buy at O2.

What are the Honor 400 Pro specs?

Powerful. Sleek. Durable. Introducing the Honor 400 Pro.

 

Upgrade your productivity with the unstoppable Snapdragon 8 Gen3 processor and MagicOS 9.0 operating system. Supported by a long-lasting 5300mAh silicon-carbon battery that delivers up to 33hrs of talk time. Compatible with superfast wireless charging to get you back up to speed whenever you run low.

 

Watch unmissable entertainment with the bright and colour-packed 5000nit AMOLED display with 3840Hz HONOR Eye Comfort to protect from eye strain. All built into a 6.7-inch screen size and 2800×1280 resolution for the ultimate viewing experience.

 

Engineered for the future, Honor 400 Pro has an advanced 200MP Hybrid AI main camera featuring 50x AI Super Zoom and a 50MP front camera. Use the AI Creativity features to boost your snaps and give them a professional edge.

What are the Honor 400 Pro colour options?

Clean, versatile and works for every style - Honor 400 Pro comes in Midnight Black.

How long does the Honor 400 Pro battery last?

The 5300mAh battery delivers up to 33 hours of talk time, so you can catchup with friends and family for hours. And, it's fast-charging with 100W Supercharge and compatible with 50W wireless supercharge to conveniently power up wherever you are.

What are the Honor 400 Pro dimensions?

Honor 400 Pro screen size measures in at 6.7 inches. The main device measures 160.8mm(H) x 76.1mm(W) x 8.1mm(D) - built perfectly for a comfortable hold and fits snuggly into pockets and bags.

Is Honor 400 Pro 5G-compatible?

Yes, Honor 400 Pro is compatible with 5G NSA (Non-Standalone) and 5G SA (Standalone) connectivity. Jump onto O2's superfast 5G network for seamless downloads, slick video calls and smooth streaming.

Does Honor 400 Pro camera perform well?

Built with an impressive 200MP Hybrid AI main camera that features 50x AI Super Zoom and AI Portrait tools. Snap a stunning selfie from any angle with the 50MP front camera. Supported by a dual speaker system and 4K video up to 3840 x 2160.

How big is the Honor 400 Pro storage?

Honor 400 Pro is packed with a mighty 12GB RAM + 512GB internal storage. Plenty of space to keep all everything together without compromising on which apps, photos and files you want to store.

How much does Honor 400 Pro cost?

Browse all of our Honor 400 Pro deals here on this page. From Pay Monthly offers to customisable plans that fit your usage - we have something for everyone.

Go to help and support

*Subject to Annual Price Increase

Monthly price of your Airtime Plan will increase by £2.50 each April, except Data Only and Smartwatch Plans which will increase by 75p. Out of bundle charges increase by 5% every 1 April.

Your Custom Plan - Representative Example

Duration of Device Plan

36 months

Monthly device payment

£15.28

Credit amount

£549.99

Interest rate (fixed)

0%

Representative APR

0%

Upfront cost

£30.00

Total amount payable for device

£579.99

Cash price

£579.99

Direct purchases only. Pay the cash price for your device or spread the cost over 3 to 36 months (excludes dongles). Certain device costs available to be spread over 3 to 48 months. The device cost will be the same whatever you choose. There may be an upfront cost. You can pay off your Device Plan at any time and choose to keep your Airtime Plan, upgrade it, or leave. If you are in the first 24 months of your Device Plan and you cancel your Airtime Plan you will have to pay the remainder of your Device Plan in full. After 24 months you can keep your Airtime Plan, upgrade it, or end it without affecting your Device Plan.

 

 

Plans unlink after 24 months

 

For customers who took out an O2 Refresh custom plan on or after 17 December 2021, your Airtime Plan and Device plans unlink after 24 months. This means that if you are in the first 24 months of your Device Plan you will have to pay off your Device Plan in full if you decide to end your Airtime Plan (but we won’t charge you an Early Termination Charge to exit your Airtime Plan). 

 

After 24 months you can: keep your Airtime and Device Plans without changing anything, Cancel your Airtime Plan and keep paying off your Device Plan instalments or, Cancel your Airtime Plan and pay off your Device Plan in full. For customers who took out an O2 Refresh custom plan before the 17 December 2021, the Airtime and Device Plans remain linked for the duration of the Device Plan, this means you will have to pay off your Device Plan in full if you decide to end your Airtime Plan at any point (but we won’t charge you an Early Termination Charge to exit your Airtime Plan).