Is your Blackberry unbelievably slow?

Clear all your logs.

Press alt + l + alt + g + alt + l + alt + g .

After that you will see all the 'rubbish' that makes your blackberry system very slow, press BB symbol and move the cursor to clear log then delete.

To check your application effectivity, you must diagnose the system.

Press Options and enter the Mobile Network. After that, press the BB symbol and click Diagnostic Test. You will see Network Diagnostic Application on the screen. Press the BB symbol and choose Run.

Wait for about a few minutes, if it is done then everything is already cleaned out. Next, wait for the email report.

Once in a while, pull out your Blackberry batteries for a few minutes so it can be refreshed