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.
No. Comio S1 does not have dual rear camera. It has single lens camera with 13MP resolution.
Yes, Comio S1 does have the front camera LED flash.
No. Comio S1 does not have the removable battery.