Device help
Get step-by-step help and info for your device.
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Learn to browse the web and manage tabs and bookmarks.
Access browser settings to delete browser history, set the home page, and more.
Use AT&T Personal Cloud to back up and sync your contacts, photos, videos, and more from your device to the cloud.
Fix backup, sync, restore or transfer issues
Start a flow to troubleshoot backup, sync, restore or transfer issues.
Tips & tricks to extend your battery performance.
How to charge your battery.
AT&T ActiveArmor Mobile Security
Use AT&T ActiveArmor to automatically block fraudulent calls, warn  about phone spam, and temporarily block unwanted calls.
Block or unblock calls from your device.
Learn how to show or hide your caller ID when making calls.
Learn how to manage call forwarding from your device.
Add another person to your call, merge calls, place someone on hold and more.
Add, view, delete, and customize contacts by adding a picture or ringtone.
Fix call forwarding or caller id issues
Start a flow to troubleshoot call forwarding or caller ID issues.
Start a flow to troubleshoot phone call issues.
Learn what features are available while on an active call.
Place, receive, & reject a call.
Learn how to use speed dial and manage speed dial contacts.
Learn how to turn Airplane mode on and off.
Start a flow to troubleshoot Bluetooth issues.
Start a flow to troubleshoot hotspots issues.
Start a flow to troubleshoot internet issues.
Start a flow to troubleshoot Wi-Fi issues.
View cellular network signal, turn your mobile data connection on or off.
Learn your device's SIM card type, operating frequencies, physical characteristics, storage, and more.
Learn How to Clean Your Device
Get tips on the best way to keep your device clean.
Provides an overview of the device layout.
This article describes how to use the device's keyboard.
Learn & customize the home screen
Add shortcuts and widgets, access the notification panel, changing wallpaper, and more.
How to install the battery, SIM, and memory card (for applicable devices).
Turn your device on and off.
Start a flow to troubleshoot email issues.
Start a flow to troubleshoot messaging issues.
Set text (SMS) and picture (MMS) message alerts, limits, display options and more.
How to send, receive, and delete picture (MMS) and text (SMS) messages.
Use AT&T Personal Cloud to back up and sync your contacts, photos, videos, and more from your device to the cloud.
Use AT&T Personal Cloud to back up and sync your contacts, photos, videos, and more from your device to the cloud.
Start a flow to troubleshoot audio issues.
Start a flow to troubleshoot camera issues.
Access, view, and share your photos and videos.
Free apps typically get revenue through ads, pop-ups, or notifications. Learn how to manage these on your device.
Learn about the AT&T Secure Family app
Do your children have smart devices? Use Secure Family to locate their devices, manage  their internet use, block apps or websites, and more.
Lock the device screen, set and change security lock, and locate device.
Set or change password security
Enable or change the password on your device.
Learn how to determine if you might have harmful software (malware) on your device and get tips to help fix the issue.
This article describes how to change the device's alerts.
Choose which ringtone your device will use to alert you to incoming calls.
This article describes how to change the wallpaper, or background, of the home screens.
Set the date & time.
Change the display time out, brightness and orientation.
Change volume settings, ringtones, and notification alerts.
Check the available device storage.
View the device IMEI, phone, SIM (ICCID) & serial number.
Start a flow to troubleshoot software update issues.
Android phones have a feature called Safe Mode, which can help you rule out problematic apps as the cause of your device problems.
Software update for the Samsung A157v
Learn how to update the software of the Samsung A157v
Determine your current device software version and check for updates.
Free apps typically get revenue through ads, pop-ups, or notifications. Learn how to manage these on your device.
Start a flow to troubleshoot contacts or photos issues.
Start a flow to troubleshoot internet issues.
Start a flow to troubleshoot messaging issues.
Start a flow to troubleshoot phone call issues.
Start a flow to troubleshoot power and battery issues.
Start a flow to troubleshoot screen issues.
Start a flow to troubleshoot SIM card issues.
Start a flow to troubleshoot voicemail issues.
Learn how to perform a soft and factory reset of the device.
Android phones have a feature called Safe Mode, which can help you rule out problematic apps as the cause of your device problems.
Check your voicemail messages.
Change or reset voicemail password
How to troubleshoot the voicemail feature.
Start a flow to troubleshoot voicemail issues.
Set up voicemail on your device.