The HTC Desire 820q is a dual SIM(GSM and GSM) smartphone that accepts two Nano-SIM. Connectivity options include Wi-Fi, GPS, Bluetooth, FM, 3G, 4G(with support for Band 40 used by some LTE networks in India). Sensors on the phone include Proximity sensor, Ambient light sensor, Accelerometer. HTC Desire 820q is a trimmed down variant of HTC Desire 820 without making many compromises. It looks like a good proposition for those looking for a phablet sized smartphones. HTC will be offering Android 5.0 Lollipop upgrade as well to unleash full 64 bit potential. So, that’s another reason to choose it as your next phablet smartphone. This phone is getting hanged when call has been done. Two to Three times a day this phone is getting hanged. the phone has to be restarted after that it work correctly. otherwise there is no problem in the phone. Hanging is the only problem that to be solved, otherwise this phone is good enough.