Many consumers use Reliance Jio SIM card as a secondary number. Since the Jio SIM works only on 4G VoLTE networks, it naturally becomes inactive if you use any other SIM card in your phone as the ‘preferred network’ for data. This is a problem because, with the burgeoning competition, all Telecom Service Providers are … Continue reading 10 Best Phones With Dual SIM Dual VoLTE Support That You Can Buy In 2020