Android Tricks [Solution] How To Use Jio 4G SIM In 3G Phone? September 9, 2016April 21, 2018 Jagmohan Singh Negi 0 Comments trick to use jio in 3g phone, use jio 4G sim in 3g phone, use jio in 3g mobile read this post and learn “how To use Jio 4G SIM in 3G phone?”yes it’s possible Read more