Yes, Comio S1 does have the fingerprint sensor.
No. Comio S1 does not have dual rear camera. It has single lens camera with 13MP resolution.
Yes, Comio S1 does have the VoLTE support for Airtel.
Yes, Comio S1 does have a hybrid sim slot. You can either use 2 sim cards or 1 sim card & 1 MicroSD card.
Yes, Comio S1 does have the front camera LED flash.
No. Comio S1 does not have the removable battery.
Comio S1 dimensions are 149.2 x 72.6 x 7.9 mm.
No. Comio S1 does not the face recognition ability.
The standard packaging of Comio S1 includes - Mobile phone (with battery), USB Cable, USB Power Adapter, Ear Phone, User Manual, Warranty Card, Sim Ejector Tool, Screen Protection Film & a Free Back Cover.
Comio S1 does have a very decent battery back up. It has 2700 mAh Li-Polymer non-removable battery which offers almost 15 hours of talk time and up to 143 hours of stand by period.
Comio S1 is equipped with latest Android 7.0 Nougat.
Comio S1 has got 1.3 GHz MediaTek MT6737 chipset.
Comio S1 has 2GB RAM.
Yes, Comio S1 does have support for Jio VoLTE also. You will be able to use Airtel VoLTE as well.