The camera cannot record full HD videos. it can only record upto 720p resolution. this phone not support of USB OTG cable, as USB OTG as a daily file transfer medium from PC to smartphone and vice-versa. it does not have a compass or magnetometer. you will have to trust you instinct or ask people around when navigating to new places because turn by turn navidation with maps will not support. there is no fast battery charging technology.