Network boost/ Buffering / server reconnect problem solution

Corona ai situation er karone shob oparator use active beshi thakche  shekarone fequance thik vhabe shobar kache puchate patche na  amra jara network problem jmn net slow, reconnect, server lose agla shomossai  all you have to do juat
Go to settings then mobile network and then go to access poin names 
APN tay jodi gpnet thake tahole sheta chamge kore skittonet kore den tar data  on rakha obosthay flight mod on kore  phone ta restart korun