HTC One M9 - Manual (Page 63)

Basic Operations 50
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Flick a shortcut icon up to directly launch the app.
Tip: If you’ve set an event reminder or an alarm, you can snooze or dismiss the event or alarm right
from the lock screen. Just drag or up.
Update Your Phone
From time to time, updates may become available for your phone. You can download and apply
updates through the Settings > System updates menu.
Software Update Cautions
During update: The phone cannot be used until the software update is complete. It may take
time to update your phone’s software.
Signal during update: Update your phone where signal reception is good, and do not change
location during the update process. Make sure the battery is adequately charged before
beginning an update. A weak signal or low battery during an update may cause the update to fail.
An update failure may disable the phone.
Other functions during update: Other phone functions cannot be used during a software
update.
Update Your Phone Software
You can update your phone's software using the System updates option.
Before Updating Your Phone
Updating your phone may result in a loss of saved data depending on the condition of your phone
(malfunctioning, damaged, water seepage, etc.). You must back up all critical information before
updating your phone firmware.