Sir im Getting 80+ Ping on Vi Sim it is irritating in while playing online games. If i use same sim on my phone i get 25 to 30 Ping. have good Speed and Signal strength too but poor ping And Vi sim is

Hi, I want to know is it possible switch between 4G FDD bands ( Archer MR200) . Is there a program or any method? My ISP have active bands B20 and B3 on LTE. B20 (800) is very slow and when the router