bkayrac wrote:it's a byproduct of the iphone 5 design.....was done to help battery life with LTE, therefor it will never work with sprint/verizon
for clarification, the iphone 5 hardware simply won't allow it, it's that new architecture for LTE, where there is only 1 radio, instead of LTE having it's own radio
One of the articles I read suggests that as LTE matures (not sure what that means, exactly) then providers like Verizon will be able to have SVD. I don't totally understand why/how GSM can do this and LTE cannot. You'd think the next big thing would at least have what seems an important feature of older technology...
So heres the reason:
With CDMA(verizons non-LTE tech for voice/data) you can only do one at a time, be it voice or data.
With UMTS(Att's non-LTE voice/data tech) you can.
With the iPhone 5 on verizon it switches the antennas to CDMA to make calls, no data.
With the iPhone 5 on ATT it switches the antennas to UMTS and can do both, but you won't get LTE speeds while on a call(boo hoo!).
Other verizon LTE phones have an extra transmit antenna so it can do LTE and CDMA at the same time, iPhone didn't have the space for the extra antenna and more importantly the extra chip to regulate it.
LTE is packet only, so it will only do voice through VOIP, most likely VoLTE, which isn't supported by the iPhone 5 either, and only supported by MetroPCS in the states.
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