Yes, iTel S41 does have the eye protection mode which reduces strain for long reading.
No. iTel S41 does not have a hybrid sim slot. It has 1 dedicated slot for MicroSD card and 2 dedicated sim card slots.
Yes, iTel S41 does have a memory card slot.
Yes, iTel S41 does support gesture controls.
Yes, iTel S41 is a VoLTE supported phone. You can enjoy Jio video calling easily.