Overall, Samsung isn't doing bad at all when it comes to releasing those monthly security patches for its devices - at least compared to some of its competitors. However, there have certainly been some odd goings-on in this respect for some of its phones, most notably those sold in the US in unlocked form. While carrier-specific versions of models such as the Galaxy S7 and S7 edge have been fairly reliably receiving the Android security updates month after month, the situation hasn't been the same for the unlocked units. These are still stuck on the December security patch level, and they...
Source: http://www.gsmarena.com/samsung_promises_monthly_security_updates_for_unlocked_units_sold_in_the_us-news-23933.php
