Here's when the OnePlus 7T Pro will reportedly be announced

OnePlus has been releasing T-branded smartphones annually since 2016 and reports suggest this year will be no different. The 2019 device, which will succeed the OnePlus 7 Pro, should be marketed as the OnePlus 7T Pro and we now know when it could be announced.
Tipster Max J. who is best known for his Samsung leaks believes the OnePlus 7T Pro will make its debut on Tuesday, October 15th. The date lines up perfectly with the usual Q4 introduction timeframe but it is slightly sooner than expected – last year, OnePlus waited an extra twelve days before announcing the 6T – and it’ll also represent the earliest ever announcement for a T-branded model. For reference, OnePlus typically announces its new flagships in late October or mid-November.
Completing the OnePlus 7T Pro’s setup should be Android 10 Q straight out of the box alongside the latest version of Oxygen OS. A battery capacity of at least 4,000mAh is to be expected too.