What is Internet + Mobile Savings?

Internet + Mobile Savings gives Optimum Mobile and Internet customers the best price for their mobile bill and an opportunity to save even more on their Internet bill.   Customers must maintain active Optimum Mobile and Optimum Internet services to qualify for savings. Your monthly Internet discount is based on your speed and can save you up to $15 / mo. Mobile customers always keep the best price, when you have internet.  Mobile customers without Optimum internet will incur a $20/mo. surcharge per mobile line

See details here if you added a line before December 12, 2021. If you added a line between December 13, 2021, and July 31, 2022, read here.