You already have items in your cart for postpaid service. Sorry, but prepaid and postpaid service can't be combined in the same order. If you'd like to order both prepaid and postpaid service, please place two separate orders.

Your device is compatible, but we are unable to find the correct SIM card. To complete your order, please call AT&T Customer Service at 800.331.0500 or find the nearest AT&T store.

The IMEI number you entered was not recognized. Please check your IMEI number and try again.

We found some problems with the IMEI number you have entered. There are a number of reasons this can occur. Please ensure the IMEI you entered matches the device. If you continue to encounter problems contact Customer Service at 800.331.0500 for further help.

We're sorry, your IMEI number can't be located at this time due to database maintenance. Please try again later.

We’re sorry. We couldn’t complete your trade-in at this time. Continue to complete your order.

After checking out, you’ll receive info to help you with your trade-in.

Trade in your old device
You’re not done with your old device yet. Trade it in for an AT&T Promotion Card—good for AT&T products and services. Your trade-in information will be submitted along with your order.
Appraised value for your device
Device: {{title}}
Appraised value: {{amount | currency | dollars}} {{amount | currency | cents}}
When you pick up your device in the store, you can exchange your old device for an AT&T Promotion Card—good for AT&T products and services. Not interested? We’ll send you a mailer just in case you change your mind.
It’s easy to complete your trade-in online. We’ll send your prepaid shipping supplies in 5 to 7 days. Pack and ship your device to receive your AT&T Promotion Card—good for AT&T products and services.
Your trade-in info will be submitted along with your order.


{{selectedSku.manufacturer}} {{selectedSku.model}}

HTC-One (M8) for Windows-Gunmetal Gray

HTC One (M8) for Windows - Gunmetal Gray

HTC One (M8) for Windows

selected SKU: {{selectedSku.skuId}}
{{selectedSku.rating | number:1}} {{selectedSku.reviewCount}} reviews

Award-winning phone design, now powered by Windows Phone 8.1, the HTC One (M8) for Windows is built to inspire envy.

Color: {{selectedSku.displayColor}}
Show more <>Show less
Storage capacity: {{selectedSku.displayCapacity}}
Show more <>Show less
Size: {{selectedSku.skuSize}}
Show more <>Show less
Prices start from:
Device price:
IRU Discount Icon {{ | currency | dollars }}{{ | currency | cents }} /month
Requires 0% APR {{}}-month installment agreement, well-qualified credit and service. Other options available.
with 2-year contract w/qual. plans
IRU Discount Icon {{ minPrices.regular.dueToday | currency | dollars }}{{ minPrices.regular.dueToday | currency | cents }}
with 2-year contract w/qual. plans
Retail price. Requires qualified service.
Device IMEI number
Enter your device's IMEI number so we can ensure this is the right SIM card for you. If we notice any issues, we'll let you know.

To find your IMEI number, dial *#06# on your keypad. This will return your IMEI number. More ways to find your IMEI

Go to your device "Settings" menu and look for "General" or "About." Your IMEI number should be listed there. More ways to find your IMEI

FREE same-day delivery is available. Order by 2 p.m. local time to get it today
Ships between Order now for delivery between
We expect to ship by Order now for delivery by  {{selectedSku.shipDate.parsedDate}}.
Shipping date subject to change.
Pick up in store today | Check availability
Pick up in store 
Pick up in a nearby store 





Selling fast!    Just {{myFavDeviceStock}} left at this store

See more stores with this product

In-store pickup isn’t available at {{isFavBopisoffName}}

Check another store

Unavailable at my store. Check nearby stores
Sold online only
Other Conditions
from {{x.priceDisplay.price | currency}}/mo.

Product Details

Stunning design, uniquely yours

Driven by design and performance

Everything you love about the HTC One® (M8) now with Windows®. Maximize your productivity and stay connected on the device that delivers the ultimate personalized experience.

Key features include:

  • Windows Phone® 8.1 with Cortana™, your personal digital assistant
  • Stunning design
  • HTC Duo Camera™
  • HTC BoomSound™


Meet Cortana

Windows Phone 8.1 features your own personal assistant, Cortana. Powered by Bing®, Cortana gives recommendations and suggestions tailored to you.* By learning about you, she anticipates your needs, whether it be a weather update, driving directions, or a reminder to call back your friend.

*You need a Microsoft® account to use Cortana. This feature is not available in all languages. For information on the supported languages, go to


Stunning design

Built to fit your hand and please your eyes. The curves and balance of its zero-gap all-metal unibody make it a pleasure to hold and use.


HTC Duo Camera

Take professional-looking photos with exceptional depth, light capture, and control over the results. Duo Camera is the brilliant solution for effortlessly beautiful photos.


HTC BoomSound

Front-facing stereo speakers. Built-in amps. Balancing software. BoomSound delivers clearer, louder, and more true-to-life sound for audio that roars.
California residents: See the Proposition 65 warning

Key Features Manual & Tutorial


The latest generation delivers a personalized experience that includes Cortana™, your personal assistant that works for you.


Premium design with full metal unibody and zero-gap construction.


Stay connected when using Office, Xbox®, OneDrive®, Skype®, and Bing®.


The paired cameras give you photos with depth and let you choose what parts of the scene you’d like to emphasize, even after your shot has been taken.




Rear-facing camera
HTC Duo Camera™ with autofocus and Dual LED flash
Live video capture and playback
1080p Full HD
Front-facing camera
5MP wide angle



Music player
Xbox® Music
Supported music formats
MP3, GSM FR, GSM HR, EFR, AMR-NB, AMR-WB, WMA, AAC, AAC+, eAAC+, M4A, WAV, ADPCM, G.711, 3GP, AC3, e-AC3, MPEG-4, H.263 Profile 0, H.264, Windows Video
Subscription music services
Xbox® Music
Streaming radio
Built-in FM Radio
Wired headphones required to serve as FM radio antenna
Create music playlists
External music play controls
Via lock screen



Text messaging
Send and receive short text-only messages on your phone. (messaging charges apply)
Instant Messaging (IM)



Mobile email
POP3/IMAP, SMTP, Yahoo!® Mail, Gmail™,,, Microsoft® Exchange ActiveSync®, and more.
Microsoft Direct Push



Web browser
Internet Explorer® 11



Cool Tools
Action Center, Quiet Hours (via Cortana) with inner circle of friends/family, Kids Corner, Apps Corner, Battery Saver, Data Sense, Ease of Access (accessibility settings), Driving Mode, Find My Phone, Project My Screen, Visual Voicemail
Xbox® Games
Customizable lock screen wallpapers; live tile colors or set to transparent tiles
Preloaded apps from AT&T
AT&T Navigator®, AT&T FamilyMap®, AT&T Hot Spot, AT&T Mobile Hotspots, AT&T Mobile TV®, YPmobile®, Driving Mode (via device setting), Mark the Spot, Keeper; AT&T Device Help1
Provides fast, easy account access virtually anywhere, anytime2



Alarm clock
Call waiting
Caller ID
Personal organizer
Address book
Conference calling
Call forwarding
Use voice and data simultaneously



Device Eco-rating
4 stars. Visit for additional information.



World phone
USB connectivity - transfer data through a USB cable
micro USB 2.0 (USB cable included)
Hands-free speakerphone
Voice dialing and voice commands
Hearing Aid (HAC) rating
TTY/TTD compatible
AT&T Device Help
Device Help provides easy access to step by step tutorials and videos about features, functions and AT&T services directly from the web browser on the device (data charges apply).
Wireless Emergency Alerts-capable

Technical Specifications


Talk time (hours)
Up to 22
Standby time (days)
Up to 22


Size (inches)
Weight (ounces)


Qualcomm® Snapdragon™ 801
2.3GHz quad core CPU and Adreno™ 330 GPU


Internal memory storage
Up to 32GB
Expandable memory storage
Up to 128GB
Memory format

Wireless Technology

Bands 2, 3, 4, 5, 7 and 17
HSPA+ with enhanced backhaul
Wi-Fi connectivity
802.11 a/b/g/n/ac; Wi-Fi Direct (2.4GHz; 5GHz)
5GHz Wi-Fi-capable
Near Field Communication (NFC)
Open, Secure, Softcard™ compatible
Bluetooth® technology
v4.0 with aptX®
Accelerometer, Ambient Light, Compass, Gyroscope, Proximity Sensor, IR
Mobile Hotspot3
Up to 8 devices
FOTA capable – upgrade Firmware OverThe Air

Operating System

Windows Phone®
Windows Phone® 8.1


Display size (inches)
Resolution (pixels)
1920x1080 Full HD 1080p Super TFT; 440ppi
16 million


Predictive text for fast typing

What's in the box?

Micro-USB Sync Cable
AC Charger
SIM Eject Tool
Secure Element SIM
Quick Start Guide
Wired headset

Limited 4G LTE availability in select markets. LTE is a trademark of ETSI. Learn more at

AT&T NEXT OR AT&T NEXT EVERY YEAR: Credit approval required. For smartphones only. Tax on sales price due at sale. Requires 0% APR monthly installment agreement and eligible service. Divides sales price into monthly installments. AT&T Next: 30-month agreement with trade-in to upgrade when 80% of sales price is paid off. AT&T Next Every Year: 24-month agreement with trade-in to upgrade when 50% of sales price is paid off. $0 down: Requires well-qualified credit. Limit as low as 2 smartphones at $0 down. Down payment: May be required and depends on a variety of factors. Down payment if required will be either 30% of sales price or a dollar amount ranging from currently $0 to $600 (amount subject to change, and may be higher). You may choose to pay more upfront. Remainder of sales price is divided into 30 or 24 monthly installments. Service: Eligible postpaid voice and data service (minimum $45 per month after AutoPay and Paperless billing discount for new customers. Pay $55 per month until discount starts within 2 bills. Existing customers can add to eligible current plans which may be less) is required and extra. If service is cancelled, remaining installment agreement balance is due. Examples: $749.99 sales price on AT&T Next (30-month) with $0 down is $25 per month, with $225 down (30%) is $17.50 per month, or with $600 down is $5 per month. On AT&T Next Every Year (24-month) with $0 down is $31.25 per month, with $225 down (30%) is $21.88 per month, or with $600 down is $6.25 per month. Activation or upgrade fee: Up to $45/line. No upgrade fee for line with a smartphone purchased on an installment agreement prior to August 1, 2015. Waiver of fee subject to change. Restocking Fee: Up to $45. Limits: Purchase limit applies. Eligibility, device, line and financing limits & other restr’s apply. Upgrade with eligible trade-in: Requires payment of percentage of sales price (50% or 80%), account in good standing, trade-in of financed device (or one of the same make and model) in good physical and fully functional condition through the AT&T Next or AT&T Next Every Year trade-in program (excludes AT&T trade-in program where you receive an instant credit or AT&T promotion card), and purchase of new eligible smartphone with qualified wireless service. After upgrade, unbilled installments are waived. See and your Retail Installment Agreement for full details.

GENERAL WIRELESS SERVICE: Subject to wireless customer agreement ( Services are not for resale. Deposit: May be required. Limits: Purchase and line limits apply. Prices vary by location. Credit approval, fees, monthly and other charges, usage, eligibility and other restrictions per line may apply. See for more details on other charges. Pricing and terms are subject to change and may be modified or terminated at any time without notice. Coverage and service are not available everywhere. You get an off-net (roaming) usage allowance for each service. If you exceed the allowance, your services may be restricted or terminated. Other restrictions apply and may result in service termination. For info on AT&T network management policies see

FREE Express Shipping: Postpaid orders will be processed and shipped subject to credit approval, inventory availability, and validation of a proper shipping address and other information. Orders received after 4 p.m. CT will be processed the next business day. Inventory, credit, or other issues may delay shipment. No holiday, Saturday, or Sunday processing or delivery. Shipping policy is subject to change. Please note: It may take up to 24 hours to process your order if there are any issues with the credit approval process and/or the shipping address validation process. This 24-hour period is not included in the delivery time and should be taken into account in your order placement timing. Delivery signatures may be required. Priority Shipments to Puerto Rico and the U.S. Virgin Islands may take more than 2 business days. Actual delivery date may also be affected by government processing, unforeseen weather, and shipping carrier delays. Learn more about AT&T shipping options at

*If Cortana is not active, then Bing® Search will be activated when you press search. You need a Microsoft® account to use Cortana. This feature is not available in all languages. For information on the supported languages, go to

1. Data rates may apply. AT&T Navigator require a separate subscription. Programming subject to blackout restrictions. Download and watch capability available for select content, requires Wi-Fi connection, and is available for viewing for limited time periods. AT&T DriveMode is free to AT&T customers.  Standard data and messaging rates apply to auto-reply messages.

2. Online account registration is required for activation. Standard data rates apply.

3. Requires Mobile Share or a min. DataPro 5GB plan. Devices connected to your Mobile Hotspot use data from your plan. Overage charges apply if the included monthly data allowance is exceeded. The number of devices you can connect depends on your device. Performance may vary depending on the number of devices connected and other factors. If you do not use a password, others will be able to use your Mobile Hotspot connection.

All talk, data, and standby times depend on network configuration.

All marks contained herein are the property of their respective owners.

Service provided by AT&T Mobility.

Item SKU: 6669A(HTC One (M8) for Windows - Gunmetal Gray)

People Also Bought
Wireless Legal Site | Wireless Customer Agreement | Cell Phone Records Security |Other Monthly Charges| Plan Terms| Online Pricing|