Device help

Get step-by-step help and info for your device.

Nokia Lumia 830

View user manual

Get device protection info

Manage voicemail settings and security

Learn how to manage your voicemail, including recording a personal greeting and changing your password.

Common device tutorials

Call blocker

Block or unblock calls

Transfer data

Transfer content

Data usage

View & manage data

Voicemail message

Set up & access voicemail

Having device issues?

Fix common service and device problems.

Get the AT&T ActiveArmor app

Download the free ActiveArmor app to:

Help block spam and fraud calls
Secure your device and the stuff on it
Get notified of data breaches

Get the AT&T Device Help app

Use the device help app to:

View customized device tutorials
Run device health check
Get help with common device issues