The update is also available for several devices on AT&T, T-Mobile, Verizon, and Xfinity
By this point, we know pretty well what to expect from Samsung when it comes to monthly security updates. Usually some international market will get the next month’s release a little early, still in the waning days of the previous month — exactly like we just saw happen for the July release right at the end of June. And then if we’re very good and patient, a few days later we start seeing the first releases start to appear for US carriers — just like what’s happening right now.
Samsung’s July 2021 security update is coming to the Galaxy S21 on T-Mobile was written by the awesome team at Android Police.