OnePlus 5 has received OxygenOS 4.5.5, another update just a week after the OxygenOS 4.5.3 rolled out. It even got OxygenOS 4.5.4 hot fix update that fixed 4G network issue for users in Netherlands. The latest update includes more optimizations and bug fixes, including improvements to WiFi connectivity and fixes WiFi signal consistently displayed weak, improvements in voice calling and more. Check out the complete changelog below.