06-27-2013 03:37 AM
06-27-2013 07:12 AM
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For your two issue first try a Battery pull reboot by removing the battery while your device is Powered On , wait for a min. then reinsert it back , after reboot please check if those issues resolves.
If problem persists , then try to Boot your device On Safe Mode:
KB17877 : How to start a BlackBerry smartphone in Safe Mode
If On Safe Mode issue cease then you have to remember if you installed any new application , any theme or wallpaper Or any 3rd party app . You have then delete that particular application from Options > Device > Application Management > locate and delete any app which you think might be responsible for your current issue.