You will save on this purchase.

Galaxy S21 Ultra 5G 512GB (Unlocked)

heart Wishlist

Galaxy S21 Ultra 5G 512GB (Unlocked)

SM-G998UZNFXAA
Share your product experience
Share your product experience
Galaxy S21 Ultra 5G 512GB (Unlocked)
Share your product experience
Your Rating*
click to rate!
Please write a review to publish your rating.
By providing your email, you agree to receive emails about this submission.
Can we make it right?
Your Rating*
click to rate!
Based on your star rating, we let you down. We would like to make it right. Please call or chat with a Samsung expert for assistance.
  Message Us
Available 24/7 every day
1-833-REVIEW8
1-833-738-4398
Continue Review
Update your rating
Your Rating*
click to rate!
We hope our support team resolved any issues with your product. Please consider updating your star rating if we helped.
  Message Us
Available 24/7 every day
1-833-REVIEW8
1-833-738-4398
Continue Review
Share your product experience
Your Rating*
click to rate!
We are glad you like your product. A Samsung Pro is ready to assist you in case you have any questions.
  Message Us
Available 24/7 every day
1-833-REVIEW8
1-833-738-4398
Continue Review
Share your product experience
Your Rating*
Guidelines
!
Review Guidelines:
We want to publish your review, so please…

Do:

  • Focus only on the product you are posting your review under.
  • Include details of your hands-on experience with the product.

Do Not:

  • Include personal information such as email addresses, home addresses, or names.
  • Include details about prices, promotions, shipping, or customer service. Please contact us instead.
  • Mention retailers, other companies, or other websites/links.
  • Include obscene vulgar, abusive, harassing, or sexually explicit language.
Add up to 6 photos (6 remaining )
ADD PHOTO
ADD VIDEO
I would recommend this product to a friend.
Yes
No
Feature
Performance
Design
Value
Did you receive an incentive? (i.e. Free sample, Compensation, or Participated in a Consumer Research Study)
Please read our Privacy Policy

Your Rating
Galaxy S21 Ultra 5G 512GB (Unlocked)
Edit
Your Nickname
ADD A PHOTO
Please follow these guidelines when uploading a photo:
  • Images must be in BMP, PNG, GIF or JPEG format.
  • File size must be 5 MB or less.
  • Image must be at least 100 pixels tall.
  • Image must be at least 100 pixels wide.
  • It contains copyrighted media (and you don't hold the copyright)
  • It contains media not related to the product
ADD PHOTO
ADD A VIDEO
Video guidelines
We may not publish your review if:
  • It contains copyrighted media (an you don't hold the copyright)
  • It contains media not related to the product
!
The link is invalid
Thank you
Thank you for your submission! We are processing your review. You will receive an email confirmation shortly
energy icon image energy icon tooltip
  • Phantom Brown, Business
  • The phone designed for epic collaboration for the modern workday.
Quantity
- 1 +
Sorry, we have only units available for the selected configuration. Please contact us for additional units.
SAVE WITH BUSINESS BULK DISCOUNT PRICING
SAVE WITH BUSINESS BULK DISCOUNT PRICING
77D60B1A-2C09-4841-A6D9-D56B7C2F6FE5
Don't have a Samsung Business Account? SIGN UP NOW >
Trade-in and save up to $ per device. Terms apply* LEARN MORE >
Protection plans available with Samsung Care+ for Business LEARN MORE >
Get 50% off Care+ for Business accidental damage and extended warranty plans with purchase of eligible devices. LEARN MORE >
RECOMMENDED
Get 20% off Knox Manage licenses to help you secure, deploy and manage devices, plus 50% off Knox Manage QuickStart service to help you get set up.LEARN MORE >
Galaxy S21 Ultra 5G 512GB (Unlocked)
$

←   Drag to Spin   →

0%
    View it in your room

    View the newest TVs in your room using our latest

    Augmented Reality feature in the Shop Samsung app.

    Buy and try with our 100-day, risk-free trial

    Finding the perfect fit can be a challenge. Now you can shop worry-free unlike ever before.

    • Buy now by paying in full or with unbeatable Samsung Financing.
    • Try out your purchase for up to 100 days, risk-free.
    • Then, keep it or return it and get a full refund.

    Exclusive deals

    AB85DD40-2CA7-4760-BEBA-D0E55741F20A

    Volume discounts

    Flexible Financing

    D27227F0-ED77-4051-8C2C-288E63787C16

    Fast, free shipping

    Samsung Business Account
    Get exclusive deals, volume pricing, free shipping and flexible financing on a wide range of Samsung technology for your business.
    At a glance
    The Galaxy S21 Ultra is the phone for business that lets you securely connect and collaborate anywhere. Discover new ways to collaborate with an impressive 8K camera and easily go from mobile to desktop to meetings with Samsung DeX. Keep your business data and personal information protected with a secure processor, Samsung Knox and the Knox portfolio. Work seamlessly in the way that works best for you with Microsoft and Link to Windows.
    • Experience seamless Microsoft Integration across your devices and take mobile productivity to the next level with DeX
    • Protect your company’s most private data against the most sophisticated attacks as soon as you power on
    • Share files between devices, locate tagged items and unlock your office door and more with Ultra-Wideband technology
    • Pair with the powerful S Pen to easily capture your thoughts and present your ideas in a whole new way
    At a glance
    The Galaxy S21 Ultra is the phone for business that lets you securely connect and collaborate anywhere. Discover new ways to collaborate with an impressive 8K camera and easily go from mobile to desktop to meetings with Samsung DeX. Keep your business data and personal information protected with a secure processor, Samsung Knox and the Knox portfolio. Work seamlessly in the way that works best for you with Microsoft and Link to Windows.
    • Experience seamless Microsoft Integration across your devices and take mobile productivity to the next level with DeX
    • Protect your company’s most private data against the most sophisticated attacks as soon as you power on
    • Share files between devices, locate tagged items and unlock your office door and more with Ultra-Wideband technology
    • Pair with the powerful S Pen to easily capture your thoughts and present your ideas in a whole new way

    Features

    Features

    unlocked by samsung
    Choose Your Best Network
    Now you can easily optimize cellular and Wi-Fi connectivity by accessing the best network and plan at the moment,11 and stop paying more than necessary with monthly plans. Unlocked by Samsung smartphones work on most major U.S. networks and allow international business travelers to take advantage of lower local rates.12
    unlocked smartphones
    Shed the Bloatware
    When you get an Unlocked by Samsung smartphone, it has no pre-loaded carrier apps, so your organization can deliver a more predictable and consistent experience across devices and have greater freedom to customize device software.
    8K video
    Collaboration, Meet 8K Video
    Inspiration is a fickle creature. The Galaxy S21 Ultra’s intuitive camera lets you capture, share and collaborate in real time, no matter where you are.
    unlocked by samsung
    Choose Your Best Network
    Now you can easily optimize cellular and Wi-Fi connectivity by accessing the best network and plan at the moment,11 and stop paying more than necessary with monthly plans. Unlocked by Samsung smartphones work on most major U.S. networks and allow international business travelers to take advantage of lower local rates.12
    unlocked smartphones
    Shed the Bloatware
    When you get an Unlocked by Samsung smartphone, it has no pre-loaded carrier apps, so your organization can deliver a more predictable and consistent experience across devices and have greater freedom to customize device software.
    8K video
    Collaboration, Meet 8K Video
    Inspiration is a fickle creature. The Galaxy S21 Ultra’s intuitive camera lets you capture, share and collaborate in real time, no matter where you are.
    Multiple ways to record
    Feel Like You’re There, Even When You’re Not
    Be in front of the camera, behind the camera or both at the same time—Director’s View puts a whole new spin on the virtual tour.
    Wireless DeX
    Productivity Gets the Big-Screen Treatment
    Connect all your devices with Wireless Samsung DeX and use your Galaxy S21 Ultra as the remote. Take conference calls on your TV, drag and drop files from your phone to PC1 or double your screens with the tap of a finger. 
    Stylus Pen Enabled Display
    Notetaking Gets a Major Upgrade
    Whiteboard with colleagues, share notes instantly and make precision edits in real time with our first S Pen2 for Galaxy S series smartphones.
    Multiple ways to record
    Feel Like You’re There, Even When You’re Not
    Be in front of the camera, behind the camera or both at the same time—Director’s View puts a whole new spin on the virtual tour.
    Wireless DeX
    Productivity Gets the Big-Screen Treatment
    Connect all your devices with Wireless Samsung DeX and use your Galaxy S21 Ultra as the remote. Take conference calls on your TV, drag and drop files from your phone to PC1 or double your screens with the tap of a finger. 
    Stylus Pen Enabled Display
    Notetaking Gets a Major Upgrade
    Whiteboard with colleagues, share notes instantly and make precision edits in real time with our first S Pen2 for Galaxy S series smartphones.
    Knox security
    Because Your Business is No One Else’s Business
    The Galaxy S21 Ultra comes with a defense-grade security platform built in so you can rest easy. With multiple layers of protection, your device is safe from intrusion, malware and malicious threats.
    Knox Suite
    Knox Suite is Mobile Management Made Easy
    Keep your fleet of mobile devices in sync and in control from end to end. A complete set of cloud-based solutions eliminates the risk of user error for worry-free security, software updates, device setup and more.
    Knox Vault
    Next-level Protection for Everything That Matters Most
    Secure Memory, meet Secure Processor. With Knox Vault, your data is protected by an enhanced, hardware-backed device security solution that covers all your bases.
    Knox security
    Because Your Business is No One Else’s Business
    The Galaxy S21 Ultra comes with a defense-grade security platform built in so you can rest easy. With multiple layers of protection, your device is safe from intrusion, malware and malicious threats.
    Knox Suite
    Knox Suite is Mobile Management Made Easy
    Keep your fleet of mobile devices in sync and in control from end to end. A complete set of cloud-based solutions eliminates the risk of user error for worry-free security, software updates, device setup and more.
    Knox Vault
    Next-level Protection for Everything That Matters Most
    Secure Memory, meet Secure Processor. With Knox Vault, your data is protected by an enhanced, hardware-backed device security solution that covers all your bases.
    Seamless Microsoft integration
    Seamless Microsoft integration
    Getting work done on your smartphone is more important than ever before. The Galaxy S21 Ultra comes integrated with Microsoft Office, OneDrive and Teams so you can easily access all your files, photos and reminders—whether you’re in the office, working from home or on the move.3
    Phone to PC continuity
    Phone and PC, Beautifully in Sync
    The Galaxy S21 Ultra integrates with your Windows PC so you have one less screen to focus on. Link to Windows also allows you to easily share files between your phone and PC with a simple drag and drop.4 Now you can work on your phone without being on your phone.4
    UWB
    Share in a Flash, Without the Flash Drive
    Connect directly with compatible nearby devices with the Galaxy S21 Ultra, which comes equipped with Ultra-Wideband (UWB) technology.5 Instantly fire off files from your phone straight to your colleague's—or even locate tagged items and unlock your home or business with a tap.
    Seamless Microsoft integration
    Seamless Microsoft integration
    Getting work done on your smartphone is more important than ever before. The Galaxy S21 Ultra comes integrated with Microsoft Office, OneDrive and Teams so you can easily access all your files, photos and reminders—whether you’re in the office, working from home or on the move.3
    Phone to PC continuity
    Phone and PC, Beautifully in Sync
    The Galaxy S21 Ultra integrates with your Windows PC so you have one less screen to focus on. Link to Windows also allows you to easily share files between your phone and PC with a simple drag and drop.4 Now you can work on your phone without being on your phone.4
    UWB
    Share in a Flash, Without the Flash Drive
    Connect directly with compatible nearby devices with the Galaxy S21 Ultra, which comes equipped with Ultra-Wideband (UWB) technology.5 Instantly fire off files from your phone straight to your colleague's—or even locate tagged items and unlock your home or business with a tap.
    All-day intelligent battery
    All-Day Battery, and Then Some.6 No Charging.7
    Your answer to the dreaded low battery. The Galaxy S21 Ultra intuitively manages usage to conserve energy on its own, so you can go all day without charging.6 Share when you want to, connect with colleagues when you need to and never miss a beat.
    HyperFast processor
    Life Moves Fast. Galaxy S21 Ultra Moves Faster.
    With faster processing power and faster graphic rendering8, you get a supercomputer in the palm of your hand. Catch every idea, nail that shot and share all your concepts without slowing down. 
    Galaxy 5G
    Innovation Comes Fast. Be Ready with 5G.
    Nothing can slow you down with the Galaxy S21 Ultra and a 5G connection. Download large files quickly, video chat with virtually no lag, and always be connected when you create your own secure 5G hotspot.9
    All-day intelligent battery
    All-Day Battery, and Then Some.6 No Charging.7
    Your answer to the dreaded low battery. The Galaxy S21 Ultra intuitively manages usage to conserve energy on its own, so you can go all day without charging.6 Share when you want to, connect with colleagues when you need to and never miss a beat.
    HyperFast processor
    Life Moves Fast. Galaxy S21 Ultra Moves Faster.
    With faster processing power and faster graphic rendering8, you get a supercomputer in the palm of your hand. Catch every idea, nail that shot and share all your concepts without slowing down. 
    Galaxy 5G
    Innovation Comes Fast. Be Ready with 5G.
    Nothing can slow you down with the Galaxy S21 Ultra and a 5G connection. Download large files quickly, video chat with virtually no lag, and always be connected when you create your own secure 5G hotspot.9
    Best display yet
    Our Best Smartphone Display Yet. There, We Said It.
    The Galaxy S21 Ultra comes with our highest contrast ratio and an adaptive display that automatically adjusts from 10Hz to 120Hz. Plus, intuitive blue-light management adjusts based on time of day to keep your eyes happy.
    Photography 108 MP
    The Highest Resolution Camera You Can Get On a Smartphone
    Pick up more pixels and zoom in up to 100x with the highest resolution you can get on a smartphone at 108MP, while an upgraded sensor gives you more color and way less noise in low light10.
    Android Enterprise recommended
    Android Enterprise recommended
    The Galaxy S21 Ultra has been verified by Google to make it easier for enterprise businesses to integrate mobile solutions into their operations with strict standards for security, productivity and flexibility.
    Best display yet
    Our Best Smartphone Display Yet. There, We Said It.
    The Galaxy S21 Ultra comes with our highest contrast ratio and an adaptive display that automatically adjusts from 10Hz to 120Hz. Plus, intuitive blue-light management adjusts based on time of day to keep your eyes happy.
    Photography 108 MP
    The Highest Resolution Camera You Can Get On a Smartphone
    Pick up more pixels and zoom in up to 100x with the highest resolution you can get on a smartphone at 108MP, while an upgraded sensor gives you more color and way less noise in low light10.
    Android Enterprise recommended
    Android Enterprise recommended
    The Galaxy S21 Ultra has been verified by Google to make it easier for enterprise businesses to integrate mobile solutions into their operations with strict standards for security, productivity and flexibility.
    SHOW MORE

    Specifications

    Specifications

    DOWNLOAD SPEC SHEET
    5G Ready
    5G Ready
    8K Video
    8K Video
    Super Smooth 120Hz
    Super Smooth 120Hz
    Space Zoom
    Space Zoom
    High Resolution
    High Resolution
    Intelligent Battery
    Intelligent Battery
    • Carrier

      Type

      Unlocked

    • Color

      Color

      Phantom Brown

    • Processor

      CPU Type

      Octa-Core

      CPU Speed

      2.84GHz,2.4GHz,1.8GHz

    • Display

      Resolution (Main Display)

      3200 x 1440 (Quad HD+)

      Main Display Size

      173.0mm (6.8" full rectangle) / 173.3mm (6.8" rounded corners)

      Technology (Main Display)

      Dynamic AMOLED 2X

      Color Depth (Main Display)

      16M

      S Pen Supported

      Yes

    • Camera

      Camera resolution (Front)

      40.0 MP

      Camera resolution (Rear)

      108.0 MP + 10.0 MP + 12.0 MP + 10.0 MP

      Video Recording Resolution

      UHD 8K (7680 x 4320)@24fps

      Main Camera - Flash

      Yes

      Main Camera - Auto Focus

      Yes

      Front Camera - F Number

      F2.2

      Front Camera - Auto Focus

      Yes

      Slow Motion

      960fps @HD,240fps @FHD

      Main Camera - F Number (Multiple)

      F1.8 , F4.9 , F2.2 , F2.4

      Main Camera - OIS

      Yes

      Main Camera - Zoom

      Optical Zoom at 3x and 10x , Digital Zoom up to 100x

    • Storage

      Internal Storage

      512GB

      Available Storage (GB)

      456.9GB

      RAM Size (GB)

      16GB

    • Network

      2G GSM

      GSM850,GSM900,DCS1800,PCS1900

      2G CDMA

      CDMA800,USPCS1900

      3G UMTS

      B1(2100),B2(1900),B4(AWS),B5(850),B8(900)

      3G CDMA

      BC0(800),BC1(1900),BC10(800)

      4G FDD LTE

      B1(2100),B2(1900),B3(1800),B4(AWS),B5(850),B7(2600),B8(900),B12(700),B13(700),B14(700),B18(800),B19(800),B20(800),B25(1900),B26(850),B28(700),B30(2300),B66(AWS-3),B71(600)

      4G TDD LTE

      B38(2600),B39(1900),B40(2300),B41(2500),B46(5200),B48(3600)

      SIM Slot Type

      SIM 1 + Embedded SIM

      5G FDD Sub6

      N71(600)

      5G TDD Sub6

      N260(39GHz),N261(28GHz)

      5G TDD mmWave

      N41(2500)

    • Connectivity

      Wi-Fi Connectivity

      802.11 a/b/g/n/ac/ax 2.4G+5GHz+6GHz, HE160, MIMO, 1024-QAM

      USB

      USB 3.2 Gen 1

      Bluetooth®

      Bluetooth v5.2

      Location Technology

      GPS,Glonass,Galileo

      Earjack

      USB Type-C

      Wi-Fi Direct

      Yes

      NFC

      Yes

      PC Sync.

      Smart Switch (PC version)

      USB Interface

      USB Type-C

    • OS

      OS

      Android

    • Sensor Type

      Type

      Accelerometer,Barometer,Fingerprint Sensor,Gyro Sensor,Geomagnetic Sensor,Hall Sensor,Light Sensor,Proximity Sensor

    • Battery

      Battery, Talk Time

      Up to 37

      Internet Usage Time(LTE) (Hours)

      Up to 18

      Internet Usage Time(Wi-Fi) (Hours)

      Up to 18

      Battery Capacity
      (mAh, Typical)

      5000

      Audio Playback Time (Hours, Wireless)

      Up to 81

      Audio Playback Time (Hours, Always On Display Off)

      - -

      Talk Time (2G GSM) (Hours)

      - -

      Talk Time (3G WCDMA) (Hours)

      - -

      Talk Time (2G CDMA) (Hours)

      - -

      Talk Time (4G LTE) (Hours)

      Up to 37

      Video Playback Time (Hours, Wireless)

      Up to 22

    • Audio

      Audio Playing Format

      MP3,M4A,3GA,AAC,OGG,OGA,WAV,AMR,AWB,FLAC,MID,MIDI,XMF,MXMF,IMY,RTTTL,RTX,OTA,DFF,DSF,APE

    • Video

      Video Playing Format

      MP4,M4V,3GP,3G2,AVI,FLV,MKV,WEBM

      Video Playing Resolution

      UHD 8K (7680 x 4320)@60fps

      Stereo Support

      Yes

    • Services and Applications

      Samsung DeX Support

      Yes

      Gear Manager

      Galaxy Buds Pro,Galaxy Buds Live,Galaxy Buds+,Galaxy Buds,Galaxy Fit2,Galaxy Fit e,Galaxy Fit,Galaxy Watch3,Galaxy Watch,Galaxy Watch Active2,Galaxy Watch Active,Gear Fit2 Pro,Gear Fit2,Gear Fit,Gear Sport,Gear2 Neo,Gear2,Gear1,Gear S3,Gear S2,Gear S,Gear IconX,Gear IconX (2018)

    • Key Features

      NFC

      Yes

      Wireless Charging Capability

      Yes

      Pro-grade Camera

      Yes

      All-day Intelligent Battery

      Yes

      5G Ready

      Yes

      Space Zoom

      Yes

      Nightography

      Yes

      Fast Charging

      Yes

      8K Video Recording

      Yes

    • Physical specification

      Dimension (HxWxD, mm)

      165.1 x 75.6 x 8.9

      Weight (g) *

      229

    • Certification

      EPEAT Rating

      Gold

    Enterprise mobility management and ongoing support

    Enterprise mobility management and ongoing support

    Mobility software Mobility software

    Mobility software

    Samsung offers software-based services including device configuration, deployment, management, advanced security and maintenance.

    Mobility software
    Samsung offers software-based services including device configuration, deployment, management, advanced security and maintenance.
    Samsung Care+ for Business Samsung Care+ for Business

    Samsung Care+ for Business

    Back your business with stackable service packs. From hassle-free repairs to accidental damage coverage and an extended warranty.

    Samsung Care+ for Business
    Back your business with stackable service packs. From hassle-free repairs to accidental damage coverage and an extended warranty.

    Resources

    Resources

    Strong 5G Investment Returns Require Planning
    Strong 5G Investment Returns Require Planning
    Find out more about the enterprise appetite for 5G and why you should consider investing now in the development of a robust business strategy for 5G.
    Managing IoT Security Risks
    Managing IoT Security Risks
    Learn more about the security risks enterprises face and the need to implement a Zero Trust mobile device strategy.
    ProCare Enterprise Technical Support
    ProCare Enterprise Technical Support
    Learn how Samsung ProCare delivers mobility technical support, from escalation to development, to help keep your business running smoothly.
    Strong 5G Investment Returns Require Planning
    Strong 5G Investment Returns Require Planning
    Find out more about the enterprise appetite for 5G and why you should consider investing now in the development of a robust business strategy for 5G.
    Managing IoT Security Risks
    Managing IoT Security Risks
    Learn more about the security risks enterprises face and the need to implement a Zero Trust mobile device strategy.
    ProCare Enterprise Technical Support
    ProCare Enterprise Technical Support
    Learn how Samsung ProCare delivers mobility technical support, from escalation to development, to help keep your business running smoothly.

    Reviews

    Reviews

    Support

    Support

    Contact us
    Call
    Call
    (866) 726-4249
    Give us a call and we'll help you through your purchase.
    Email
    Email
    We'll get back to you as soon as possible.

    © 2023 Samsung Electronics America, Inc. All rights reserved. Samsung is a registered trademark of Samsung Electronics Co., Ltd. All products, logos and brand names are trademarks or registered trademarks of their respective companies. Screen images simulated.

    Price, Promotion, Processing: Pricing, delivery date and other errors may be withdrawn or revised and/or your order may be cancelled at any time, without prior notice, before we have both (a) shipped or provided access to your product or service, and (b) received your payment for the product or service. All sales on Samsung.com are subject to the full Terms of Sale. Samsung is not responsible for any errors, omissions or misdirected or lost orders, or orders which may be delayed. Samsung reserves the right to modify pricing and modify or cancel promotions at any time, without prior notice.

    1Wireless DeX requires smart TV with Miracast support; both devices must be on same Wi-Fi network. DeX for PC is available on selected devices, and on Windows 7, 10 and versions of Mac OS higher than 10.13. Visit the FAQ page for a full list of device and software compatibility. DRM protected content may not be displayed correctly.
    2S Pen sold separately.
    3MS Office license required for purchase to edit Excel, Word or PowerPoint documents. License sold separately.
    4Link to Windows requires the Your Phone app (free download), a Microsoft account and Windows 10. Some mobile apps may have security features that prevent the mobile app from being viewed on PC.
    5Point to Share and tracking works between devices that support ultra-wideband (UWB) technology. UWB is supported in Galaxy S21 Ultra 5G, S21+ 5G, Note20 Ultra 5G and Fold2 5G.
    6Based on average battery life under typical usage conditions. Average expected performance based on typical use. Actual battery life depends on factors such as network, features selected, frequency of calls, and voice, data, and other application usage patterns. Results may vary.
    7Charger not included; use only Samsung-approved chargers and cables; do not use any worn or damaged chargers or cables; incompatible charger or cable can cause serious injuries or damage to your device.
    8Compared to Galaxy S20.
    9Requires optimal 5G network connection, available in select markets. Check with your carrier for availability and details. Download and streaming speeds may vary based on content provider, server connection and other factors.
    10Compared to Galaxy S20 Ultra.
    11Devices will work on any compatible network. Wireless voice, data and messaging services are compatible with most GSM networks such as AT&T and T-Mobile and CDMA networks such as Verizon, Sprint and US Cellular. Support for certain rate plans, features and services such as VoWiFi and hotspot vary by wireless service provider. See provider for details.
    12SIM card must be compatible with area’s available networks. International calling, data services and coverage vary by network provider. Contact provider for details.

    ×
    Shop Samsung App
    Get exclusive offers, earn points, and use Samsung Pay.