Huawei P9 Lite User Guide

							Accessing the Internet  
144
Check that the screen is unlocked on both phones and ensure that NFC is enabled. Enable 
Android Beam on the other phone (if required).
1 Select the web page or contact that you want to share.
2 Hold your mobile phone and the receiving device back to back. Your phones NFC 
sensor is located next to the rear camera. After a connection is established, a sound 
will be played and the content you are sharing will shrink on the screen.
3 Follow the onscreen instructions and touch the screen to share data with the other 
device.
NFC payments
Use NFC-enabled SIM cards to make payments. Contact your carrier for details.
Check that you are using an NFC-enabled SIM card and then install your carriers payment 
app.
When configuring the default payment application, touch More > NFC > Default payment 
app
 on the settings screen and then select a payment app supported by your carrier. 
Contact your carrier for details. 
						

							Backup and Restore  
145
Backup and Restore
Using the Backup application to back up and 
restore data
Backups help ensure that you never lose your data. You can use a local backup to copy 
data to your phones internal storage or a microSD card.
 Features may vary depending on your carrier.
Backing up data to local storage
You can back up your contacts, messages, call log, photos, music, videos, files, and 
applications.
1 Open Backup.
2 Touch Backup > Internal storage > Next.
More settings
Restore previously backed up data
Back up new data 
						

							Backup and Restore  
146
3 Select the data you want to back up. No backup password is required if you back up 
photos, audio, videos, and documents. To back up other types of data, follow the 
onscreen instructions to set a backup password.
 By default, backup data is saved to the HuaweiBackup folder in Files.
Restoring data from local storage
1 Open Backup.
2 Touch Restore > Restore from internal storage > Next.
3 Select the backup you want to restore.
 If the backup data is encrypted, enter the encryption password when prompted.
4 Select the data you want to restore, and then touch Restore.
Restoring factory settings
Restore your phone to its factory settings if it crashes or is slow to respond.
 Back up important data on your phone before restoring factory settings. For more 
information, see Using the Backup application to back up and restore data.
Restoring factory settings will erase all personal data from your phone, including 
fingerprints, account information, downloaded applications, and application settings.
1 Open Settings.
2 Touch Advanced settings > Backup & reset > Factory data reset.
3 Choose whether to format your internal storage, and then touch Reset phone.
 Selecting Erase internal storage will delete all files on your internal storage, such as 
music and images. Proceed with caution.
4 Touch Reset phone to restore your phone to its factory settings. Your phone will 
restart automatically when the process is complete. 
						

							Backup and Restore  
147
Updating your phone
Update your phones system to the latest version to enhance performance.
 
•Using unauthorized third-party software to update your phone may render your 
phone unusable or put your personal information at risk. Always update through 
your phones online update feature or download official update packages from 
Huaweis official website.
•Your personal data may be erased during a system update. Ensure that you back up 
important data before updating your phone.
•When updating, ensure that your phone has at least 20% battery power remaining.
•After updating, you may find that some third-party applications are incompatible 
with your system, such as Internet banking applications and games. This is 
because it takes a while for third-party application developers to release updates 
for new Android releases. Please wait until a new version of the application is 
released.
 Touch Settings > About phone > Build number to view your phones version number.
OTA updates
When a new system update is released, you will be prompted to download and install the 
latest version. Select OTA update for quick and secure updates.
 Ensure that your phone is connected to the Internet before updating. Connect to a 
Wi-Fi network before updating to avoid incurring data charges. In addition, ensure 
that your phone has sufficient battery power remaining.
1 Open Settings.
2 Touch Updater. Your phone will automatically check for updates.
3 Select the latest version to download the update package.
4 Once the download is complete, touch Restart and update. The update process may 
take a while to complete. Do not use your phone before it has finished updating. Your 
phone will restart automatically when it has finished updating. 
						

							File Management 
148
File Management
Viewing files
Viewing files by category
Open the Categories tab in Files. Your files are automatically sorted into different 
categories.
Finding files quickly
Use the search feature to quickly find what you are looking for.
1 Open Files.
2 In the Local tab, touch Internal storage or SanDisk SD card.
3 Touch and then enter the file name or keywords. Search results will be displayed below 
the search bar.
Sorting your files
Use the sort feature to arrange your files by type, name, size, or date.
1 Open Files.
2 In the Local tab, touch Internal storage or SanDisk SD card.
3 Touch and then sort files by type, name, size, or date as desired.
Creating file shortcuts on the home screen
Create a shortcut to frequently-used files on the home screen for easy access.
1 Open Files.
2 In the Local tab, touch Internal storage or SanDisk SD card.
3 Touch and hold the file you want to create a shortcut for, and then touch Delete. 
						

							File Management 
149
Sharing files
Use Files to share photos or videos on social media, or with friends.
1 Open Files.
2 In the Local tab, touch Internal storage or SanDisk SD card.
3 Select the files you want to share, and then touch Share.
4 Choose a sharing method and follow the onscreen instructions to share your files.
Creating folders
Create folders and place files inside them to keep your phone organized.
1 Open Files.
2 In the Local tab, touch Internal storage or SanDisk SD card.
3 Touch , enter the name of the new folder, and then touch Save.
Renaming files
Give your files distinctive names so that you can find them more quickly.
1 Open Files.
2 In the Local tab, touch Internal storage or SanDisk SD card.
3 Touch and hold the file or folder you want to rename, and then touch  > Rename.
4 Enter a new name, and then touch OK. 
						

							File Management 
150
Copying, moving, or deleting files
1 Open Files.
2 In the Local tab, touch Internal storage or SanDisk SD card.
3 Select the files you want to copy, move, or delete. You can:
• Copy files to a destination folder: Touch , select a destination folder, and 
then touch .
• Move files to a destination folder: Touch , select a destination folder, and 
then touch .
• Delete files: Touch  > Delete
Creating or extracting archives
Combine multiple files into a single zip archive to free up storage space and make your 
files easier to share.
1 Open Files.
2 In the Local tab, touch Internal storage or SanDisk SD card.
3 Select the files or folders you want to add to the archive, and then touch Compress.
4 Choose the archive destination. The selected files will be compressed into a zip 
archive, which will be named automatically.
 To extract an archive, touch and hold the archive file, and then touch Extract to. 
Select where the archive should be extracted to. 
						

							File Management 
151
Excluding small images
When viewing images, you may find that Files also displays cached images and 
thumbnails from web pages you have visited. Exclude these images for a clutter-free 
viewing experience.
1 Open Files.
2 Touch Settings and then turn on the Filter small pictures switch to prevent files smaller 
than 30 KB from being shown.
Storing private files in a safe
To ensure the privacy of your files, enable Safe, set a password, and move files into a safe 
to encrypt them. You can always remove them from the safe at a later date.
1 Open Files.
2 In the Categories or Local tab, touch Safe.
3 Touch Enable and set the safe storage location.
4 Follow the onscreen instructions to set a password and security question, and then 
touch 
Done to open Safe.
5 Touch . Follow the onscreen instructions to select files, and then touch to 
add them to the safe.
• Remove files from a safe: In Safe, open the folder which contains the files you want 
to remove. Touch and hold any file, select the files you want to move, and then touch 
.
• Destroy a safe: In Safe, touch Settings > Destroy safe. Follow the onscreen 
instructions to remove files from the safe and destroy it.
• Change the safe password: In Safe, touch Settings > Change password. Follow the 
onscreen instructions to change the password. 
						

							Power Management 
152
Power Management
Viewing battery usage statistics
Use Phone Manager to view detailed per-application battery usage statistics.
Open Phone Manager and then touch Battery manager. You can:
• Touch Optimize. Your phone will check for power consumption problems and 
automatically optimize performance.
• Touch Power usage details to view detailed battery usage statistics. 
• Touch Consumption level to see what is using the most power. 
• Turn on the Remaining battery percentage  switch to display the remaining battery 
percentage in the status bar.
Reducing power consumption
Use Phone Manager to optimize performance and reduce power consumption.
Open Phone Manager and then touch Battery manager. You can:
• Optimize performance: Touch Optimize. Your phone will check for power 
consumption problems and automatically optimize performance. To further reduce 
power consumption, see 
Optimizable issues. Select View or Optimize to adjust the 
power settings manually.
• Restrict applications: Touch Protected apps and turn off the switch next to the 
applications that you do not want to run in the background when the screen is locked.
• Close power-intensive applications: Touch Power usage firewall (power-intensive 
apps)
, select the desired applications, and then touch to close them.
 A message will appear in the notification panel if power-intensive applications are 
running in the background. If you dont want to receive such notifications, touch 
and then turn off the 
Power-intensive prompt switch. 
						

							Power Management 
153
• Reduce the screen resolution: Turn on the Enable ROG power saving switch to 
reduce the screen resolution for lower power consumption.
• Automatically close power-intensive applications: Touch and then turn on 
the History of closed apps switch.
Enabling the Ultra power plan
If youre waiting for an important call but your phone has low battery, enable the Ultra 
power plan in 
Phone Manager. This disables everything except essential calling, SMS 
and contact functions, prolonging battery life.
Open Phone Manager. Touch Battery manager > Power plan > Ultra and then select 
 > Enable.
Touch Exit to disable the Ultra power plan and restore the original settings.
Closing background applications when the 
screen is locked
Reduce power consumption by closing background applications when the screen is 
locked.
1 Open Phone Manager.
2 Touch Protected apps.
3 Turn off switches for non-essential applications to prevent them from running while 
the screen is locked.
 If you want an application to continue running after the screen is locked (such as the 
Backup application), turn on the switch for that application.
Press the power button to lock the screen. Your phone will close all background 
applications except those that are protected.