The HTC Desire 200 was spotted for getting certification in Taiwan and carried 102e as the model number. As per the said listing, the Desire 200 features a 3.5-inch touchscreen display with 320x480 pixel resolution. It is powered by a 1 GHz single-core processor and 512 MB RAM. Besides, it said to have 4 GB storage, micro SD card slot and 5 megapixel camera at the back. There won't be any front facing camera and the phone will be powered with 1400 mAh battery.
The HTC Desire 600 was spotted in the GLBenchmark charts. This smartphone's display will sport 540x960 pixel resolution natively and will be powered with 1.2 GHz mobile processor. By default, this smartphone will run Android 4.1 Jelly Bean update. Based on the listing, this smartphone will be a dual-SIM device and is likely to feature display that would measure 4-inches or higher.
As per the listings, neither of these two devices though run on the new Android 4.2 Jelly Bean but we hope that HTC will make a direct jump to Android 4.3 Jelly Bean MR2 for these two upcoming devices.