This video shows how to use KnockOn and KnockCode.

KnockOn and KnockCode

Wireless - Activation, setup, transfer & unlock - Activate

Get help setting up your wireless phone or device.

Wireless - Activation, setup, transfer & unlock -  Setup

Find ways to transfer your info between devices.

Wireless - Activation, setup, transfer & unlock - Transfer

Get help unlocking your phone, device, or SIM.

Wireless - Activation, setup, transfer & unlock -  Unlock

Ready, set, go! Activate your device, set it up on our network, and transfer your contacts and info.

Wireless - Activation, setup, transfer & unlock

Explore mobile apps that can help you manage your account, stream your favorites, and more.

Wireless - Apps, features & voicemail - Apps & mobile purchases

Find out how to help protect your smartphone from unwanted calls and unsafe apps or files.

Wireless  - Apps, features & voicemail - Mobile security

Sync your wireless number with compatible mobile devices using NumberSync.

Wireless - Apps, features & voicemail - NumberSync

Find out how to set up and manage parental controls.

Wireless  - Apps, features & voicemail - Parental controls

Find out about available calling and texting options.

Wireless - Apps, features & voicemail - Talk & text features

Explore how to set up and use your device&#39;s voicemail.

Wireless - Apps, features & voicemail - Voicemail

Get the most out of your device. Explore voicemail, messaging, and apps to help you and yours stay safe and connected.

Wireless - Apps, features & voicemail

Learn about options to use your device when traveling abroad or on a cruise. Explore day pass or other international add-ons.

Wireless -  International - International options

Learn how to manage usage while traveling and understand the charges you’ll see on your bill.

Wireless - International - International usage and charges

Learn about using mobile data or Wi-Fi networks when you travel abroad.

Wireless - International - Use your device outside of the U.S.

Discover ways to stay connected when you travel.

Wireless - International

Learn how to set up, use, and manage your AT&amp;T Cell Booster or Cell Booster Pro.

Wireless - Network & hotspots - AT&T Cell Booster

Wireless - Network & hotspots - AT&T network

Find out how to create a mobile hotspot and connect to Wi-Fi at home or on the go.

Wireless  -  Network & hotspots -  Wi-Fi & hotspots

Find out how to connect through Wi-Fi, mobile hotspots, and our wireless network.

Wireless - Network & hotspots

See our options for people with disabilities.

Wireless - Plans & device protection - Accessibility

Learn how to manage AT&amp;T talk, text, and data plans and add-on features.

Wireless - Plans & device protection -  AT&T talk, text & unlimited plans

Get support for lost or stolen phones, device protection claims, and warranty coverage.

Wireless - Plans & device protection - Device protection & warranty

Find info on FirstNet eligibility. Learn about our FirstNet and Family option.

Wireless - Plans & device protection - FirstNet

View details about bundle offers, wireless rebates, rewards programs, and promotions.

Wireless - Plans & device protection - Rewards, promotions & offers

We’ve got you covered. Check out your plan info, reward programs, and device protection options.

Wireless - Plans & device protection

Find out how to bring your own phone, device, or number to AT&amp;T.

Wireless - Upgrades, orders & installment plans - Bring your own device or number

Get details about installment plans. Plus, find out what to know about trading in your old device.

Wireless - Upgrades, orders & installment plans - Installment plans

Find out about purchase options, order tracking, and order support.

Wireless - Upgrades, orders & installment plans - Ordering & purchase help

Explore upgrade options and related info for your phone or device.

Wireless - Upgrades, orders & installment plans - Upgrade options & info

Ready for something more? Explore your upgrade and purchase options, then track your order.

Wireless - Upgrades, orders & installment plans

Get help with your wireless phone, plans, orders, and voicemail. Learn how to fix common issues or contact us.

AT&T Wireless

Learn how to wake up your device and unlock it with KnockCode.

Using KnockOn and KnockCode Features

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