Z1603348037917 , via OnePlus 5 , Nov 25, 2020 : List of phones that support Dual SIM Dual VoLTE in India in 2020 Back in 2018, only selected phones used to support Dual SIM Dual VoLTE feature but now in 2020, almost all the phones launched in India comes with Dual SIM Dual VoLTE support. 2. OnePlus Phones OnePlus started adding dual SIM dual VoLTE support to its phones with OnePlus 6. So, OnePlus 5T and a few older OnePlus phones support 4G on both slots but not dual SIM dual VoLTE. ￼Notice the S line that reflects through the midnight black variant OnePlus 8 Pro – Review | Specs OnePlus 8 – Specs OnePlus 7 Pro – Review with pros and cons | Specs OnePlus 7 – Review with pros and cons | Specs OnePlus 6 – Review with pros and cons | Specs OnePlus 6T – Review with pros and cons | Specs Why One Plus 8T handset do not support Dual SIM Dual VOLTE feature been a latest handset launch in one plus kitty..?