Samsung SPH-M390ZSWVMU - Manual (Page 10)

Get Started 3
3. Plug the AC adapter into an electrical outlet and charge your battery. Fully charging a
battery may take up to three hours.
Note: Your phone ’s battery should have enough charge for the phone to turn on and find a
signal, run the setup application, set up voicemail, and make a call. You should fully
charge the battery as soon as possible.
4. Press and hold to turn the phone on.