The BlackBerry Curve is a smartphone manufactured by Research In Motion (RIM). If you have problems with the phone, such as slow performance or an intermittent wireless signal, you might need to reboot it. The Curve gives you two options to reboot the phone. The first requires removing the battery. The second requires a specific keyboard combination. Rebooting a BlackBerry Curve should only take a few minutes.
Hard Reset (Battery Method)
Remove the battery cover from the back of the Curve. Slide it down with your fingers to remove it.
Remove the battery from the BlackBerry using your fingers.
Wait 10 seconds and install the battery.
Install the battery cover by sliding up with your fingers. The BlackBerry Curve might take several minutes to finish restarting.