Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to reset your samsung galaxy s4 [title] Press and hold the power button for at least ten seconds until the screen turns off. [step] If your s4 has frozen while you are using it and none of the buttons are responding, you can try to force it to shut down. [title] Power your phone back on as your normally would.

Ending1: [title] Turn the phone over and remove the back by sliding it off. [step] If your phone will not turn off, even after holding the power button, you'll need to remove the battery from the phone. Ending2: [step] If you still aren't seeing an error message, try to back up your own phone to the power cord. [title] Press and hold the power button three times using one finger at a time. Ending3: [title] Press and hold the power button for at least thirty seconds. [step] If your galaxy s4 hasn't frozen while you are using it and none of the buttons are responding, you can try to force it to shut down. Ending4: [title] Power on your samsung galaxy s4 again if prompted. [step] If the screen remains cold after pressing and holding the power button, it means that the device's battery is dead.

Answer format: ending1/ending2/ending3/ending4