Can a weBoost signal booster improve both voice and data signals? weBoost Support - January 15, 2016 04:17 Related articles I don't see any improvement after installing the eqo Booster. What should I do? Voice over LTE (VoLTE) - What to do if your phone won't work Can a weBoost signal booster improve signal outside a building or vehicle? Is there a solution that can improve my cell phone reception? What do the bars on your phone really mean? Yes. Our boosters will amplify all data and voice signals in the U.S. and Canada.