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eCSFB battery life improvement on older phones?

DaQue

By DaQue
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DaQue Member Level: 4G LTE

DaQue

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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

 

 

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Mondays In Flames Member Level: eHRPD

Mondays In Flames

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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

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koiulpoi Member Level: 4G WiMax

koiulpoi

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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 :P

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DaQue Member Level: 4G LTE

DaQue

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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 :P

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

 

 

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hescominsoon Member Level: 3G EVDO

hescominsoon

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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.

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LoneSnark Member Level: Digital

LoneSnark

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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. 

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