Blackberry Passport Smartphone 10 3 1 User Guide

 
Keeping your battery charged
Your BlackBerry device uses a lithium-ion battery. To maximize your use of this type of battery, when possible, do the 
following:

IconDescriptiontoo low, your device might turn off. Save any work in 
progress and charge your device.There is a problem with the battery, and the battery might 
need to be replaced. Only use a battery that is approved by 
BlackBerry for your device model.
To replace the battery, contact your service provider.
The battery isn

2.Tap  Settings > App Manager > Device Monitor.
3.Tap an app or service.
Close or delete apps from the Device Monitor screen
If you notice that an open app is using a lot of battery power, device memory, or CPU resources, you can close it and end all 
processes associated with the app. You can also delete some apps permanently from the Device Monitor screen. Some  apps must be installed and open at all times, so they can

Using Battery Saving Mode
If your battery power level is draining, you can set up Battery Saving Mode to turn on automatically and help make your 
battery last longer when you need it most! When Battery Saving Mode is turned on, your device automatically adjusts 
various settings to help save battery power. If you need to save more battery power, you can also adjust additional settings. 
For example, you can choose to turn off data services or location services to save more battery power.
By default,...

Dim the screen
Prolong battery life by changing your device settings to dim the screen.
Do any of the following:

 Update your software
You can often gain a boost in power savings by using the latest version of the BlackBerry 10 OS. If a software update is 
available for your device, a notification appears in the 
BlackBerry Hub.
Use a media card
Reduce power usage by keeping less data on your device. Save data to a media card instead of your device storage space.
Turn off the flash
Conserve more power by turning off the flash when taking pictures.
Tip: Like most electronic devices, your device battery drains less...

View the safety, warranty, and privacy information for your device
To view the Privacy Policy, your BlackBerry device must be connected to the Internet.
Take a moment to review the license agreement, limited warranty, safety information, and privacy policy for your device. These documents are available from your device settings screen. They contain important information about terms and 
conditions of use, battery and other important safety precautions, and warranty coverage.
1.On the home screen, swipe...

2.Tap  Settings > About.
3.In the Device Name field, enter the new name for your device.
Wireless connections icons
The following icons might appear in the upper-right corner of the home screen to indicate the wireless coverage level that 
your 
BlackBerry device currently has.
The number of solid bars indicates the strength of the 
mobile network signal. If the signal is weak, your device 
might use more power to try to maintain the connection.          Your device is connected to the network type shown...

The NFC feature might not be available, depending on your wireless service provider, your administrator

You can use a micro USB on-the-go to USB 2.0 adapter to connect your device to a keyboard, mouse, gamepad, external storage drive, or other USB device. You can use the 
File Manager app to view files on your external storage 
drive.
You can use a SlimPort adapter and the appropriate cable, or a wireless display adapter to connect your BlackBerry 
device to another device such as a TV or computer monitor. You can display the screen of your BlackBerry device 
on the other device.
Wi-Fi Direct connection...