Same issue here as well as my friends who bought the device. Battery life also is very low . I get abt only 3hrs of SOT and the phone is unusable after it reaches 15 percent it drops fast like a percent every minute 

The my jio app also now shows wait for 5g in your area .Till yesterday it was showing get on a 5g device

I only had one s20 fe option

Yes

Powerful Fast and Efficient