DaQue Posted December 23, 2013 Share Posted December 23, 2013 Will older none tri-band phones like my Note 2 be able to get the battery life improvement by turning off the CDMA radio when you are connected to LTE? Sent from my SPH-L900 using Tapatalk Quote Link to comment Share on other sites More sharing options...
Mondays In Flames Posted December 23, 2013 Share Posted December 23, 2013 Will older none tri-band phones like my Note 2 be able to get the battery life improvement by turning off the CDMA radio when you are connected to LTE? Sent from my SPH-L900 using Tapatalk It's not a software thing, it's a design of the radios. The way the radio is constructed will impact whether or not your phone will have only one radio on at a time. If this was possible, you would have been seeing it already in single band LTE phone in eCSFB markets already. Hope this helps. -Luis Quote Link to comment Share on other sites More sharing options...
DaQue Posted December 23, 2013 Author Share Posted December 23, 2013 Thank's Sent from my SPH-L900 using Tapatalk Quote Link to comment Share on other sites More sharing options...
koiulpoi Posted December 23, 2013 Share Posted December 23, 2013 Will older none tri-band phones like my Note 2 be able to get the battery life improvement by turning off the CDMA radio when you are connected to LTE? Sent from my SPH-L900 using Tapatalk Sure, you can turn off your CDMA radio by switching the device to LTE only mode. You will then be unable to send or receive calls and texts Quote Link to comment Share on other sites More sharing options...
DaQue Posted December 23, 2013 Author Share Posted December 23, 2013 Sure, you can turn off your CDMA radio by switching the device to LTE only mode. You will then be unable to send or receive calls and texts That's where the Ecsfb would come in, signal on LTE would turn the CDMA back on... I guess it can't do that without a reboot or something. I don't remember a lte only option on settings. Sent from my SPH-L900 using Tapatalk Quote Link to comment Share on other sites More sharing options...
hescominsoon Posted December 23, 2013 Share Posted December 23, 2013 That's where the Ecsfb would come in, signal on LTE would turn the CDMA back on... I guess it can't do that without a reboot or something. I don't remember a lte only option on settings. Sent from my SPH-L900 using Tapatalk The phone has to be designed to use ecsfb. Only the triband devices can use this. Quote Link to comment Share on other sites More sharing options...
DaQue Posted December 23, 2013 Author Share Posted December 23, 2013 Got it. Umm well don't get it I mean... Anyway... No Ecsfb for me. Sent from my SPH-L900 using Tapatalk Quote Link to comment Share on other sites More sharing options...
LoneSnark Posted December 24, 2013 Share Posted December 24, 2013 Will older none tri-band phones like my Note 2 be able to get the battery life improvement by turning off the CDMA radio when you are connected to LTE? Sent from my SPH-L900 using Tapatalk They could, but it would require rewriting the radio firmware. Sprint could certainly do this if they wanted to, but I believe they would never choose to do so. First, it would hamper a feature of the phone they advertised (simultaneous voice and data). Second, it would be a bunch of work recertifying phones on their network which are older and they don't really care much about. 1 Quote Link to comment Share on other sites More sharing options...
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