HTC One M9

Choose another device

Search for a solution

Image 1: HTC One M9

Quick links to popular guides

Update phone software Activate Google account on phone Select network Set up your phone for Telstra Mail Answer a call Call MessageBank®

Browse via device topic

Adjust display brightness

You can adjust the display brightness to save power.

HTC One M9

Step 1 of 9

1. Find "Brightness level"

Slide your finger down the display starting from the top edge of your phone.

Rather get in touch? Let’s get you connected

Online help & supportGet help

Chat with our teamContact us

My Telstra appDownload My Telstra