I was very excited to use Jio Services. When I bought the sim, it didn’t get activated for 2-3 days. When it finally started working, I could only use the internet and I could not make any calls. I have iPhone 5s and I don’t know why but JIO does not support this handset. The internet was also very fluctuation and got really slow at times. I finally had to remove the sim from my phone as I could not place any calls.