The Galaxy S8 and S8+ are undoubtedly beautiful devices. On the front, the Infinity Display makes either one look incredibly futuristic, and the minimal bezels have ensured that there wasn't room for any logos. The situation is slightly different on the back. Depending on which country you're in, you might see the Samsung logo there by itself, or an added mention of the device's name in the lower half of the rear glass. The US, for example, will have the latter. But even in the US, one huge, glaring, eye-straining thing will be missing from both the S8 and S8+: any trace of a...
Source: http://www.gsmarena.com/galaxy_s8_and_s8_in_the_us_will_have_absolutely_no_carrier_logos-news-24645.php