Yes you can but it's not as polished as the iPhone's lock or an Android phone's lock screen. And if you meant does this phone have a "lock screen" when you put it to sleep like the iPhone, no it doesn't
Hold the end call/lock screen button until it turns off.
You click the same button used to turn the phone off/on
You dont have to turn it off.
One can turn the keypad lock on or off on a Nokia Aisha 300. To turn the lock on or off press the lock key and drag the lock key to unlock to unlock the phone.
To turn caps lock on, you press the caps lock key on your keyboard. To turn it off, you press the caps lock key again.You can also use the windows key and the S key pressed simultaneously on certain keyboards to turn caps lock off and on.
It will turn off. You will see the regular turn off screen and then it will go dark.
To turn off safe mode on a Samsung Galaxy Ace just turn off the phone and take out the battery. Replace the battery and turn the phone back on and it should reset it to where it is not on safe mode.
You cannot turn on and off lights for Samsung tab 3 7.0 because it does not have the soft lights buttons.
hit scroll lock and again and it will go off push the scroll lock key on the upper right of your key board
iPhone turns off either you lock it manually or it goes automatically to save the battery life, sometimes it annoys you specially if you have set passcode so you can expand as well as completely turn off auto screen lock.
you press any of the buttons on it and then hold down the lock button on the screen
You turn off the from camera on your cell phone on the Samsung galaxy discover by closing the camera app.