$500 via Verizon e-gift card (sent w/in 8 wks). Activation of 4G LTE/5G phone on One Unlimited for iPhone (all lines on account req'd on plan), 5G Do More, 5G Play More or 5G Get More plans 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. And for a limited time, we’ll waive your activation fee when you order through vzw.com or My Verizon app. You’ll see the one time charge waived as your “Due Today” amount at checkout.
Did you try a reset? Press and hold the volume down button and home button at the same time. Do not release them until the phone powers down and comes back on. When it comes back on, release both buttons. I hope this helps.