Yes, you can certainly use any 4G SIM card in Micromax Bharat 3.
Yes, Micromax Bharat 3 does have the OTG support.
Yes, Micromax Bharat 3 does support the VoLTE.
Yes, you can play HD videos on Micromax Bharat 3.
Yes, Micromax Bharat 3 is a 4G mobile phone.
