. T-Mobile customers have probably heard of Web Guard. This is a web filter meant to prevent the kiddos from accessing adult content. But it seems it is not perfect, as OONI has come to find. The service seems to be restricting a plethora of websites that are not related to blocked categories.
Such categories include the following: Alcohol, Mature Content, Violence, Drugs, Pornography, Weapons, Gambling, Suicide, Guns, Hate, Tobacco, Ammunition.
Android Phone, T-Mobile Web Guard blocking un-naughty sites