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The LG Spirit 4G smartphone had 35 percent better power...

The LG Spirit 4G smartphone had 35 percent better power consumption while making Voice over LTE (VoLTE) calls than its previous generation, Spirent Communications said Tuesday in a report. Spirent tested the battery performance of first-generation and second-generation VoLTE smartphones…

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on MetroPCS’s network in the Dallas market. Spirent said it tested performance on CDMA and VoLTE, as well as multi-service CDMA/LTE and VoLTE/LTE simultaneous voice and data calls. Spirent found the LG Spirit 4G had 18 percent better power consumption while making calls on CDMA than its previous generation. Spirent also tested smartphone power consumption while using Skype to make VoIP calls; it found calls made using Skype on the LG Spirit 4G consumed 33 percent less power. Battery life on the newest VoLTE smartphones now “compares favorably” to previous-generation devices that used CDMA, Spirent said (http://bit.ly/YpF6Gg).