Device help

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

Browse the Web

Browse the web, manage browser tabs, and bookmarks.

View or Close Running Apps

How to open, exit from, and force stop applications.

Backup & Restore with Computer

Backup and restore your device with a computer.

Backup & Restore with Memory Card

Backup contacts, photos, and files to increase device memory or transfer to another device.

Battery Life

Tips and tricks to extend your battery performance.

Charge the Battery

Tips on charging your battery.

Block Calls

Block or unblock calls from your device.

Call Forwarding

Manage call forwarding from your device.


Add, view, delete, and customize contacts by adding a picture or ringtone.

Enhanced Push-to-Talk

Use Enhanced Push-to-Talk (EPTT) to make and receive calls.

In-Call Options

Learn what features are available while on an active call.

Make & Receive a Call

Place, receive, and reject a call.

Airplane Mode

Turn Airplane mode on and off. Airplane mode will disable all wireless services on the device. Calls, data, and text messages cannot be sent or received. Disable Airplane mode to restore regular device function.


Turn Bluetooth on or off, scan and connect to other Bluetooth devices, and unpair a connected device.

Mobile Hotspot

Set up your device as a personal hotspot and share your data connection with Wi-Fi-capable devices.

Signal & Cellular Data

View cellular network signal, turn international roaming or your mobile data connection on or off.


How to connect to a Wi-Fi network.


Determine your device's SIM card type, operating frequencies, physical characteristics, storage, and more.

Device Setup

Set up your device for the first time or after having done a factory reset.

Gestures & Navigation

Control your device by making specific movements with your hand.

Keyboard & Typing

Type, change T9 settings, and use Auto-complete.

Learn & Customize the Home Screen

Change the wallpaper and edit home screen shortcuts.

Phone Assembly

Install and remove the SIM card, microSD card, and battery.

Power Device On or Off

Turn your device on and off.

Block Messages

Block messages from your device.

Messaging Settings

Change text (SMS), picture (MMS), emergency, and AMBER alert settings.

Send & Receive Messages

Create and respond to text (SMS) or picture (MMS) messages, add, save, and view received attachments and more.


Access the calendar and manage events.

Camera & Video Settings

Manage camera and video settings including flash, timer, voice control, recording mode, storage location, and more.

Take a Picture or Video

Take and edit a picture or video, use the front and rear camera, and switch between camera and video modes.

Transfer Media To & From a Computer

Transfer files to or from your device and a computer.

Secure My Device

Lock or unlock your display, set a screen security lock type (star key or pin), get your PUK code, or request your device be unlocked from the AT&T network.


Turn on features such as TalkBack, flash notifications, and more. Accessibility features allow you to improve the usability of your device for users affected by impaired vision or hearing, cognitive difficulty, or reduced dexterity.

Date & Time

Set the date and time.


Change the display brightness and screen time out.


Learn how to access and adjust notification settings, and turn notifications on or off.

Sounds & Alerts

Change volume settings, ringtones, and notification alerts.

Available Memory

Check the available device storage, free up memory, and clear app data.

Find IMEI, Serial Number & Phone Number

View the device IMEI, phone and serial numbers.

Software update for the Sonim XP5s (XP5800)

Learn how to update the software of the Sonim XP5s (XP5800).

Software Version

Determine your current device software version and check for updates.

View & Manage Data

Access Usage Manager to view data usage, set data limits, and see the apps using the most data.

App Troubleshooting

Learn how to clear an app's cache and how to force stop an app.

Reset Device

Perform a soft reset or a factory data reset of the device.

Access Voicemail

Check your voicemail messages.

Change or Reset Voicemail Password

Reset a forgotten password or change an existing voicemail password.

Set Up Voicemail

Learn how to set up voicemail.

Having device issues?

Fix common service and device problems.