Today, T-Mobile has updated its Unlimited offerings to include a new option called Essentials. This plan would be one step below T-Mobile's ONE plan and brings the total number of different tiers to three (four, if you count T-Mobile ONE Plus International). The new Essentials plan is still unlimited like T-Mobile ONE only it doesn't offer a couple of the carrier's perks. Essentials will not offer free international roaming, free Netflix, reduced 480p streaming, and tethering will be capped to 3G (512 Kbps)speeds. T-Mobile's Essentials plan will cost $120 for four lines ($30/line)...
Source: https://www.gsmarena.com/tmobile_announces_essentials_plan_that_no_longer_includes_taxes_and_fees-news-32623.php