Switch to 4g network mode
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