4G Only Network Mode opens a secret menu where advanced network configurations can be selected.

Features 

*Phone will be locked on 4G Mode without any interupting 

*Internet download speed will be more, so you can download without break
*phone will disconnect less often leading to FASTER INTERNET SPEED
*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, so check your phone wifi chip brand before downloading the app