This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
I would expect it to be nearly all devices. America was in the process of shutting down the old technologies and I believe has in most cases.
https://www.fcc.gov/consumers/guides/plan-ahead-phase-out-3g-cellular-networks-and-service