After getting a confirmation from Qualcomm yesterday, the launch date for the OnePlus 3 refresh, which most likely will be called OnePlus 3T, was confirmed for November 15th. The video posted by OnePlus reveals two more details about the new phone.
http://www.notebookcheck.net/OnePlus-3T-Launch-date-confirmed-for-November-15th.182974.0.html