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Browse device topics
Browse the web, add bookmarks, and access browser settings to clear history and block or unblock pop-ups.
Move contacts, messages, music, and other data to your new device using ATnT Mobile Transfer.
Backup and restore your device with a computer.
Backup contacts, photos, and files to increase device memory or transfer to another device.
Turn Bluetooth on or off, scan and connect to other Bluetooth devices, and unpair a connected device.
Set up your device as a personal hotspot and share your data connection with Wi-Fi-capable devices.
View cellular network signal, turn international roaming or your mobile data connection on or off.
Get tips on the best way to keep your device clean.
Set up your device for the first time or after a factory reset, use Setup n Transfer and enable Easy Mode.
Add your Google account to access Gmail and the Play Store, receive personalized Google search results, and automatically log in for all other Google-based services on your device.
Make changes to wallpaper, themes, home screen panels, folders and screen grid.
View text and picture messages, calls, and voicemail messages in a single inbox. Send and receive messages from your tablet or computer.
Manage email settings such as sync frequency, server settings, signature, deleting an email account, and more.
Create and respond to text (SMS) or picture (MMS) messages, add, save, and view received attachments and more.
Look at photos, watch videos, listen to songs, and more in just a few taps.
Manage camera and video settings including flash, timer, voice control, recording mode, storage location, and more.
Take and edit a picture or video, use the front and rear camera, and switch between camera and video modes.
Transfer files to or from your device and a computer.
View the device IMEI, phone, and serial number.
Learn how to update the software of the HTC One M9 (0PJA110).
Reset a forgotten password or change an existing voicemail password.
Learn how to manage your voicemail, including recording a personal greeting and changing your password.