$500 via Verizon e-gift card (sent w/in 8 wks). Activation of 4G LTE/5G phone on 5G Get More plan req’d. Device must remain active for 45 days. $500 charge back if service cancelled w/in 12 mos or eligibility req’s are no longer met. See vzw.com/bring-your-own-device for details.
You can use a HD box on a SD set. The hd box has the ability to convert HD channels to 480i or 480p. I believe Velocity (and its predecessors) is an HD channel only. You cannot get HD channels with a SD Box.