Huawei P9 Lite User Guide

Power Management 
154
Preventing background applications from 
accessing the Internet
Use the networked applications manager to prevent certain applications from connecting 
to the Internet and using your data allowance.
1 Open Phone Manager.
2 Touch Traffic manager > Networked apps.
3 Switch between the Installed apps and System apps tabs to configure the Internet 
access permissions for individual applications. Touch 
to configure which 
applications have Internet access while roaming.
If you disable...

Phone Manager 
155
Phone Manager
Optimizing your system
Use Phone Manager to make your phone run faster and optimize performance.
Conducting a comprehensive scan
Open Phone Manager. Your phone will automatically conduct a comprehensive scan 
and optimize your system.
Cleaning up your phone
1 Open Phone Manager.
2 Touch System optimization to scan for and clear cached application data and system 
trash.
 Follow the onscreen instructions to manually clear files or configure the settings.
3 Once the data...

Phone Manager 
156
Harassment filter
Phone Manager features a harassment filter and notification center to block spam calls 
and messages and unwanted push notifications.
Open Phone Manager. You can:
• Touch Harassment filter >  and follow the onscreen instructions to configure a 
call blacklist or whitelist, keywords, and spam settings.
• Touch Notification center and select an application to configure its notification 
permissions and settings.
Battery management
Phone Manager comes with a battery...

Tools
157
Tools
Calendar
Calendar helps you to plan your daily schedule. For example, it helps you to plan ahead 
and displays information about public holidays. If you have saved your contacts 
birthdays, Calendar will automatically create birthday reminders.
Adding and deleting events
Add events and set reminders to help you plan ahead.
• Add an event: Open Calendar, touch , and then enter the name, start and 
end time, and location of the event. Touch to save the event. If you add a 
reminder, your...

Tools
158
Viewing the calendar
Open Calendar. You can:
• Switch to month, week, or day view: Touch Month, Week, or Day. When in month, 
week, or day view, swipe left or right to change the month, week, or day that is 
displayed.
• View week number: Touch  > Settings, and then turn on the Show week number 
switch to display the week number on the left of the calendar.
• Change first day of the week: Touch  > Settings > Week starts on, and then 
select a day.
• Switch to a different calendar: Make sure...

Tools
159
1 Open Calendar.
2 Touch  > Calendars to display.
3 Select the account whose calendar you want to display.
4 Touch  > Calendars to sync.
5 Select the desired account, and then log in to your Exchange account to sync the 
calendar.
Clock
In the Clock application, you can add alarms, view world times and public holiday dates, 
and use the stopwatch and timer features.
Managing alarms
Open Clock. In the Alarm tab, you can:
• Add an alarm: Touch and set the alarm time, ringtone, repetitions, and...

Tools
160
World clock
Add multiple clocks to view the time in various cities around the world.
Open Clock. In the World clock tab, you can:
• Add a city: Touch . Enter a city name or select a city from the list.
• Set the home time zone: Touch , turn on the Display home clock switch, and 
then touch Home time zone.
• Set the system date and time: Touch  > Date & time.
• Delete a city: Touch Edit cities. Touch the icon next to the city you want to 
delete, and then touch .
Dual clock display
Your phone...

Tools
161
 Only one clock is displayed when the local time zone is the same as the home time 
zone.
Stopwatch
1 Open Clock.
2 Under Stopwatch, touch to start timing.
 
While timing, touch  to count laps. Swipe up on the timer in the middle of the 
screen to view your lap data.
3 Touch to pause the stopwatch.
4 Touch to resume the stopwatch, or touch to clear the stopwatch records.
Current time zoneHome time zone 

Tools
162
Timer
1 Open Clock.
2 Under Timer, turn the wheel to set the countdown time.
 
Touch  to set a ringtone for the timer.
3 Touch to start the timer.
4 When the timer goes off, swipe the screen to silence the ringtone.
 
When the timer is counting down, touch  to reset the timer, or touch  to 
pause the countdown.
Weather
Weather allows you to check the current weather and multi-day forecast for your location 
and many other destinations around the world.
Viewing weather information
Open Weather....

Tools
163
Updating the weather
1 Open Weather.
2 Swipe left or right to find the city whose weather you want to update.
3 Swipe down from the top of the screen to update the weather manually.
 
You can also configure automatic weather updates. Touch  . Turn on the Select 
contacts
 switch, and then configure your The selected contacts will be deleted from 
all accounts. Continue anyway?
. Your phone will update weather data at the 
scheduled interval.
Chance of rain
Manage cities