HTC EVO 4G LTE User Manual - Page 16

2. Plug the other end of the USB cable into the charger/accessory jack on the upper right side of your phone. 3. Plug the AC adapter into an electrical outlet. 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. If your phone is activated, it will turn on, search for service, and begin the setup application. If your phone is not yet activated, see Activate Your Phone for more information. Activate Your Phone Depending on your account or how and where you purchased your phone, it may be ready to use or you may need to activate it on your Sprint account.  If you purchased your phone at a Sprint Store, it is probably activated and ready to use.  If you received your phone in the mail and it is for a new Sprint account or a new line of service, it is designed to activate automatically.  When you turn the phone on for the first time, you should see a Hands Free Activation screen, which may be followed by a PRL Update screen and a Firmware Update screen. Follow the onscreen instructions to continue.  If you received your phone in the mail and you are activating a new phone for an existing number on your account (you're swapping phones), you can activate on your computer online or directly on your phone.  Activate on your computer:  Go to sprint.com/activate and complete the online instructions to activate your phone.  Activate on your phone:  Turn on your new phone. (Make sure the old one is turned off.) Your phone will automatically attempt Hands-Free Activation.  Touch Activate to override auto-activation and start the manual activation wizard. Get Started 4