According to a latest leak that appeared on the internet, HTC may release a new HTC Desire device internally codenamed as A37.
It may be powerred by a MediaTek processor and will be ODM device featured with Sense 8.3 on board.
HTC to release new MTK based Desire device (Codename A37). This is will be ODM device featured with Sense 8.3 on board.
— LlabTooFeR (@LlabTooFeR) March 16, 2017
As per the leak, the new HTC Sense 8.3 is ODM modification of Sense 8.0 and is not supposed to be released on any of the existing HTC devices.
There will only be a Dual SIM version of the handset available at the launch.