Blackberry 9720 Smartphone 7 1 User Guide

Error message and causePossible solutionError 547: Hardware or system issueError 513: User attempted to reset the 
smartphone after exceeding the 
maximum number of permitted 
password attemptsWhen this error occurs, all of your smartphone data is deleted to prevent  unauthorized access to your information.
If your email account uses a BlackBerry Enterprise Server, your administrator 
might be able to change options that will minimize the chance of this error  message appearing again. For more...

•To encrypt your backup data, click Encrypt backup file.
•If you want to receive an email when an updated version of the BlackBerry Device Software is available, select the 
Email me when new versions are available checkbox.
6.Click Install update.
Related information
About updating the BlackBerry Device Software,286
User GuideApplications
282 

BlackBerry ID
How to: BlackBerry ID
About BlackBerry ID
A BlackBerry ID gives you convenient access to multiple BlackBerry products and services. After you create a BlackBerry 
ID
, you can use your BlackBerry ID email address and password to log in to any BlackBerry product that supports 
BlackBerry ID. With BlackBerry ID, you can manage apps that you downloaded from the BlackBerry World storefront 
(previously known as 
BlackBerry App World) and keep apps you downloaded when you switch smartphones.
You...

•From a computer, visit www.blackberry.com/blackberryid.
•On the home screen of your BlackBerry smartphone, click Options > Device > BlackBerry ID.
2.Complete the instructions on the screen.
Tips: BlackBerry ID
Tips for creating a BlackBerry ID
It's important to choose a password that you can easily remember.
For your BlackBerry ID username, be sure to use an email address you use frequently. If you start using a new email 
address, you can change your 
BlackBerry ID username. Recovery details can be...

What's the difference between a BlackBerry ID 
username and a screen name?
Your BlackBerry ID username is the email address that you use when you log into products or services that use BlackBerry 
ID
. The BlackBerry ID screen name is the name that appears when you submit app reviews in the BlackBerry World 
storefront (previously known as BlackBerry App World).
Why do I need to re-enter my BlackBerry ID login 
information?
After a certain amount of time passes, if you are not actively using the app...

BlackBerry Device Software
How to: BlackBerry Device Software
About updating the BlackBerry Device Software
You might want to update your BlackBerry Device Software to access new applications and features or to resolve a 
technical issue. The duration of the update process can range from 15 minutes to 2 hours, depending on the type of  update, the amount of smartphone data, and the number of applications on your 
BlackBerry smartphone. You can't use 
your smartphone or make emergency calls when the...

If you updated your software over the wireless network, to delete the previous version of software that is temporarily stored 
on your smartphone, on the home screen or in a folder, click the 
Options icon. Click Device > Software Updates. Press the 
 key > View Result. Press the  key > Delete Downgrade Data.
Related information
About backing up and restoring smartphone data,199
I can't update the BlackBerry Device Software over the wireless network,288
My smartphone doesn't have enough available...

Troubleshooting: BlackBerry Device 
Software
I can't update the BlackBerry Device Software over the 
wireless network
Depending on the options that your wireless service provider or administrator sets, you might not be able to update your 
BlackBerry Device Software over the wireless network.
Try the following actions:
•Verify that your BlackBerry smartphone is connected to a wireless network.
•Verify that you're not roaming outside of your wireless service provider's wireless coverage area....

My smartphone responds slowly or freezes
Try the following actions:
•Close unused applications.
•Free some of your application storage.
•Update your BlackBerry Device Software.
•Remove and re-insert the battery. For more information about inserting the battery, see the printed documentation that came with your 
BlackBerry smartphone, or visit www.blackberry.com/docs/smartphones and see the Start Here guide 
for your smartphone.
Related information
Tips: Freeing space to optimize your smartphone's...

Manage Connections
Mobile network
Getting started: Mobile network
Wireless coverage indicators
Indicators in the upper-right corner of the home screen display the wireless coverage level for the area that you are using 
your 
BlackBerry smartphone in. For more information about wireless coverage areas, contact your wireless service 
provider.
IndicatorDescriptionProvides information about the strength of the wireless signal. Three or more  bars indicate a strong signal. A reduced signal display might...