By using this application you can set network mode to 4G . In the phone network mode there is no option to set only 4G . For this Reason it drops sometimes from 4G to 3G or 4G to 2G . To get the 4G experience you can try this Application Features - *change network to "LTE(4G) " mode *enable VoLTE on supported devices(enables direct call over 4G network) *advanced network statistics *change network parameters *lock to any particular Network Signal like 4G(LTE)/3G/2G only Supports All Phone Brands with Qualcomm Chips