If your phone is asking for "SIM network unlock PIN" you you can get it here https://www.mobileunlocked.com/htc/evo+3d within few minutes.
If it asks for the screen lock pattern and you forgot it and you have a Google Account check this link how to reset the password: Protecting your phone with screen lock pattern PIN or password Otherwise a hard reset can help to access your device.How to make a hard reset on HTC Evo 3D Resetting HTC EVO 3D
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Hi Chucky Ray,
If your phone is asking for "SIM network unlock PIN" you you can get it here https://www.mobileunlocked.com/htc/evo+3d within few minutes.
If it asks for the screen lock pattern and you forgot it and you have a Google Account check this link how to reset the password: Protecting your phone with screen lock pattern PIN or password
Otherwise a hard reset can help to access your device.How to make a hard reset on HTC Evo 3D Resetting HTC EVO 3D
It depends if the phone is a cdma or gsm. but you might take a look at this link and see if it helps How to SIM unlock htc evo 3D