Samsung SGH-S275 User Manual page 15

Incorrect
Note: This illustration shows both the correct method and the incorrect
method for connecting the charger. If you connect the charger
incorrectly, you risk damaging the accessory port and voiding the
phone warranty.
Warning! If the adapter power plug is installed incorrectly, damage
to the accessory port occurs and voids the phone
warranty.
2. Plug the adapter power plug into a standard AC wall outlet.
3. When charging is finished, unplug the adapter power plug from
the AC wall outlet, then disconnect the travel adapter connector
from the phone.
Correct
Getting Started 9