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Capacity: 512GB
Choose your plan
30GB
CLASSIC PLAN
-What's this?36 month contract
£30.00
UPFRONT
+
£45.61
MONTHLY
Total monthly cost increasing to:
From Apr 2027 bill
£48.11
From Apr 2028 bill
£50.61
Monthly cost breakdown:
£18.61 Device + £27.00 Airtime
30GB
PLUS PLAN
-What's this?36 month contract
£30.00
UPFRONT
+
£49.60
MONTHLY
Total monthly cost increasing to:
From Apr 2027 bill
£52.10
From Apr 2028 bill
£54.60
Monthly cost breakdown:
£18.61 Device + £30.99 Airtime
30GB
ULTIMATE PLAN
-What's this?36 month contract
£30.00
UPFRONT
+
£54.60
MONTHLY
Total monthly cost increasing to:
From Apr 2027 bill
£57.10
From Apr 2028 bill
£59.60
Monthly cost breakdown:
£18.61 Device + £35.99 Airtime
125GB
CLASSIC PLAN
-What's this?36 month contract
£30.00
UPFRONT
+
£50.61
MONTHLY
Total monthly cost increasing to:
From Apr 2027 bill
£53.11
From Apr 2028 bill
£55.61
Monthly cost breakdown:
£18.61 Device + £32.00 Airtime
125GB
PLUS PLAN
-What's this?36 month contract
£30.00
UPFRONT
+
£54.60
MONTHLY
Total monthly cost increasing to:
From Apr 2027 bill
£57.10
From Apr 2028 bill
£59.60
Monthly cost breakdown:
£18.61 Device + £35.99 Airtime
125GB
ULTIMATE PLAN
-What's this?36 month contract
£30.00
UPFRONT
+
£59.60
MONTHLY
Total monthly cost increasing to:
From Apr 2027 bill
£62.10
From Apr 2028 bill
£64.60
Monthly cost breakdown:
£18.61 Device + £40.99 Airtime
Unlimited
CLASSIC PLAN
-What's this?36 month contract
£30.00
UPFRONT
+
£55.61
MONTHLY
Total monthly cost increasing to:
From Apr 2027 bill
£58.11
From Apr 2028 bill
£60.61
Monthly cost breakdown:
£18.61 Device + £37.00 Airtime
Unlimited
PLUS PLAN
-What's this?36 month contract
£30.00
UPFRONT
+
£59.60
MONTHLY
Total monthly cost increasing to:
From Apr 2027 bill
£62.10
From Apr 2028 bill
£64.60
Monthly cost breakdown:
£18.61 Device + £40.99 Airtime
Unlimited
ULTIMATE PLAN
-What's this?36 month contract
£30.00
UPFRONT
+
£64.60
MONTHLY
Total monthly cost increasing to:
From Apr 2027 bill
£67.10
From Apr 2028 bill
£69.60
Monthly cost breakdown:
£18.61 Device + £45.99 Airtime
5GB
CLASSIC PLAN
-What's this?36 month contract
£30.00
UPFRONT
+
£42.61
MONTHLY
Total monthly cost increasing to:
From Apr 2027 bill
£45.11
From Apr 2028 bill
£47.61
Monthly cost breakdown:
£18.61 Device + £24.00 Airtime
5GB
PLUS PLAN
-What's this?36 month contract
£30.00
UPFRONT
+
£46.60
MONTHLY
Total monthly cost increasing to:
From Apr 2027 bill
£49.10
From Apr 2028 bill
£51.60
Monthly cost breakdown:
£18.61 Device + £27.99 Airtime
5GB
ULTIMATE PLAN
-What's this?36 month contract
£30.00
UPFRONT
+
£51.60
MONTHLY
Total monthly cost increasing to:
From Apr 2027 bill
£54.10
From Apr 2028 bill
£56.60
Monthly cost breakdown:
£18.61 Device + £32.99 Airtime
Features
Tech Specs
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200 MP
Camera
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100W Supercharge
Charging Times
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5G
Data Connectivity
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6.7 inch
Screen Size
Brand:
HONOR
Weight (g):
205g
Battery (eComm):
5300mAh
Processor:
Snapdragon 8 Gen3
Talk Time (hrs):
33
Dimensions (mm):
160.8 x 76.1 x 8.1mm
Resolution:
2800 x 1280
Type of display:
AMOLED
Standby Time (hrs):
456
Internal Storage (GB):
512GB
Operating System (eComm):
Android
Water Resistance (IP Rating):
IP68 + IP69
Removable battery:
No
Expandable Storage:
No
Facial Recognition:
Yes
Fingerprint Recognition:
Yes
GPS:
Yes
NFC (eComm):
Yes
Wi-Fi:
Yes
Dual Sim:
Yes
FM Radio:
No
Sim Type (Nano etc):
Nano / e-SIM
Band Type:
5G NR NSA/SA, 4G TDD-LTE, 4G FDD-LTE, 3G WCDMA, 2G GSM
Bluetooth:
Yes
Fast Charging:
Yes
Charger in box:
No
Wireless Charging (eComm):
Yes
Wi-Fi and 4G Calling:
Yes
Type Of Charger Connector:
USB-C
Audio:
Dual Speaker, supports stereo
Flash:
Main
Video:
4k
Rear Camera (MP):
200MP
Front Camera (MP):
50MP
Music Player:
No
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FAQs
Honor 400 Pro was announced and released on the 22nd May, 2025. It's now available to buy at O2.
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.
Clean, versatile and works for every style - Honor 400 Pro comes in Midnight Black.
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.
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.
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.
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.
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.
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.
The legal bit
Custom plans
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 cost of your Device will be the same however long you choose. There may be an upfront cost. 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. 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.
UK calls/texts to standard UK landlines and mobiles and when roaming in our Europe Zone. Fair Usage policy applies. Special and out of bundle numbers chargeable. 4G phone required to access 4G. 4G available in selected areas.
Change your airtime tariff after 30 days and then once every billing month during your minimum contract period, choosing from a selected family of tariffs. Some tariff extras are only available on the starting tariff, are not transferable, and may be lost if you change to an ineligible tariff. Devices are subject to availability.
0% APR. Finance subject to status and credit checks, 18+, Direct Debit. Credit provided by Telefonica UK Ltd, 500 Brook Drive, Reading, RG2 6UU, UK. Terms apply, see o2.co.uk/terms.
Get Unlimited Data
Unlimited Data available on O2 Custom Plans on selected handsets and selected SIM Only tariffs. Fair use policy applies, personal and non-commercial usage only. This policy asks that you only use our services or SIM cards for private, personal and legitimate consumer purposes, and not for business purposes. See more at www.o2.co.uk/fair-usage-policy. If you regularly use 650GB of data per month or tether 12 or more devices we may consider this to be non permitted use and have the right to move you to a more suitable plan. EU roaming capped at 25GB per month. For full terms see www.o2.co.uk/terms.
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.
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