Still, the added boost does make the system a fair bit quicker than it would be at stock speeds. (digitaltrends.com)
However, it has been noticed that certain apps on OnePlus 3T were not falling back down to the original stock speeds after opening the app. (phoneradar.com)
Update 1/28/2016 2:00 PM: A problem with overclocking software shipped with our review unit caused it to run at stock speeds. (digitaltrends.com)