Lock 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 only
Supports All Phone Brands with Qualcomm Chips