BlackBerry 9900/9930 Bold Series 사용자 설명서

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 

 and see the Start Here guide 

for your smartphone.

Related information

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306

Close an app so that it is not running in the background, 

243 

User Guide

BlackBerry Device Software

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