Updating your phone's software

HTC One M9 can check and notify you if there’s a new update available. Updates for some HTC ...

Ringtones, notification sounds, and alarms

Ringtones, notification sounds, and alarms

Forwarding a message

Forwarding a message

Copying files between HTC One M9 and your computer

You can copy your music, photos, and other files to HTC One M9. ...

Installing HTC Sync Manager on your computer

Installing HTC Sync Manager on your computer

Resetting HTC One M9 (Hard reset)

If HTC One M9 has a persistent problem that cannot be solved, you can perform a factory rese...

Accepting or declining a meeting invitation

Switch to Invites view to see meeting invitations which you have not yet accepted or declined. ...

Using HTC One M9 as a Mobile Hotspot

Using HTC One M9 as a Mobile Hotspot

Accessibility settings

Use these settings to turn accessibility functions or services on or off. When you’ve downloaded an...

Using Assisted dialing

When you're on a trip abroad, it's easy to dial friends and family from home. Your home country c...