Hyderabad, Oct. 3 -- Ever since the launch of 5G services in India, confusion is prevailing among cellphone users about whether their existing SIM will be compatible with 5G phones or not.

Speed of the new services and where they will be rolled out first etc. are also some of the questions that are making rounds on the internet.

As per Airtel, the existing SIM can be used in 5G phones. However, it said that in order to access the 5G network, a 5G phone is mandatory.

On the other hand, Jio and Vodafone have not made any comment on SIM compatibility. Jio is gearing up to launch its 5G phone around Diwali.

Though a 4G SIM will be compatible with 5G phones, to avail of the speed of the new services, the SIM needs to be changed with the la...