Developer's DescriptionBy extremedroidLock your phone to 4G/LTE mode and enable VoLTE on supported Phones.4G Only Network Mode opens a secret menu where advanced network configurations can be selected.Features -*change network to "LTE(4G) only" mode*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 onlySupports All Phone Brands with Qualcomm Chips