Device help
Get step-by-step help and info for your device.
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Access files downloaded from a web browser, email, and messages.
Access the web, access or edit bookmarks, and access browser tabs.
Install and remove the SIM and battery.
Learn how to perform a soft, factory, or alternate master reset of your device.
Learn how to check available device storage, free up memory, remove unused apps, or clear app data.
Backup & Restore with a Computer
Backup and restore your device with a computer.
Backup & Restore with Memory Card
Find out how to back up contacts, photos, and files with a memory card to increase device memory or transfer to another device.
Learn how to turn Airplane Mode on and off using the Quick Settings or through Settings.
Change the display brightness, time out and orientation.
Tips and tricks to extend your battery performance.
Learn how to block or unblock calls from your device.
Get familiar with in-call options, including muting and speakerphone, as well as advanced call features, such as creating a conference call.
Manage call forwarding from your device.
Learn how to add, view, delete, customize by adding a picture or ringtone, and backup your contacts.
Use Enhanced Push-to-Talk (EPTT) to make and receive calls.
Learn how to turn Airplane Mode on and off using the Quick Settings or through Settings.
Learn how to turn Bluetooth on or off, scan and connect to other Bluetooth devices, and unpair a connected device.
Learn how to set up your device as a personal hotspot, and share your data connection with Wi-Fi-capable devices.
View cellular network signal, turn cellular data connection, international roaming, and mobile data connection on or off.
Turn Wi-Fi on or off, connect to a Wi-Fi network, and remove a Wi-Fi network.
Determine 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.
Learn how to set up your device for the first time or after a factory reset.
Find IMEI, Phone & Serial Number
Learn how to locate your device's IMEI, serial number, and phone number.
How to use assign and use programmable shortcuts to quickly access features.
Access keyboard settings, auto-complete suggestions, and emojis.
Learn & Customize the Home Screen
Learn how to change the wallpaper and edit home screen shortcuts.
Install and remove the SIM and battery.
Block messages from your device.
Learn how to add, view, delete, customize by adding a picture or ringtone, and backup your contacts.
Manage messaging settings such as notification alerts, Advanced Messaging, message limits, and emergency/AMBER alert settings.
Create and respond to text (SMS) or picture (MMS) messages, add, save, and view received attachments and more.
How to use assign and use programmable shortcuts to quickly access features.
Accessibility features improve the usability of your device for users with impaired vision or hearing, cognitive difficulty, or reduced dexterity.
Find IMEI, Phone & Serial Number
Learn how to locate your device's IMEI, serial number, and phone number.
Install and remove the SIM and battery.
Determine your device's SIM card type, operating frequencies, physical characteristics, storage, and more.
Learn how to set up your device as a personal hotspot, and share your data connection with Wi-Fi-capable devices.
Set up voicemail.
Change the display brightness, time out and orientation.
Learn & Customize the Home Screen
Learn how to change the wallpaper and edit home screen shortcuts.
Learn how to access and adjust notification settings and turn notifications on or off.
Learn how to lock or unlock your display, set a screen security lock, get your PUK code, or request your device be unlocked from the AT&T network.
Change volume settings, ringtones, notification alerts and do not disturb.
Access the web, access or edit bookmarks, and access browser tabs.
Access the calendar on your device and learn how to manage events.
Learn how to access photos and videos.
Manage camera and video settings including flash, timer, and more.
Learn how to take a picture or video, switch between camera and video modes, and more.
Learn how to take a screenshot and share or edit your screenshot.
Learn how to transfer files to or from your device and a computer.
Learn how to lock or unlock your display, set a screen security lock, get your PUK code, or request your device be unlocked from the AT&T network.
Accessibility features improve the usability of your device for users with impaired vision or hearing, cognitive difficulty, or reduced dexterity.
Learn how to set the date and time on your device as well as use the alarm clock.
Change the display brightness, time out and orientation.
Learn how to access and adjust notification settings and turn notifications on or off.
Change volume settings, ringtones, notification alerts and do not disturb.
Learn how to check available device storage, free up memory, remove unused apps, or clear app data.
Find IMEI, Phone & Serial Number
Learn how to locate your device's IMEI, serial number, and phone number.
Learn how to perform a soft, factory, or alternate master reset of your device.
Software update for the Sonim XP5plus (XP5900)
Learn how to update the software of the Sonim XP5plus (XP5900).
Determine your current device software version and check for updates.
View data usage and turn mobile data on or off.
Learn how to troubleshoot apps by clearing the app cache and force stopping an app.
Learn how to perform a soft, factory, or alternate master reset of your device.
Check your voicemail messages.
Change or Reset Voicemail Password
Reset a forgotten password or change an existing voicemail password.
Set up voicemail.