Unlocking a phone allows it to be used with another carrier. Verizon, unlike other carriers, is required by the Federal Communications Commission to unlock phones shortly after they are activated on its network. Verizon gained significant benefits in exchange for agreeing to the unlocking requirement, first in 2008 when it purchased licenses to use 700 MHz spectrum that came with open access requirements and then in 2021 when it agreed to merger conditions to obtain approval for its purchase of TracFone.
T-Mobile has enhanced Ultra Mobile's plans, now offering higher data caps and international perks at unchanged prices for new and existing subscribers. The $39 tier increases from 15GB to 24GB monthly, and includes 5GB usable in Mexico before roaming charges apply.