Question on changing from 4G LTE to 3G CDMA

baldybill

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In the countryside, there are times that the 4G connection is flaky and my phone eats up battery switching from 4G LTE to 3G CDMA and back again. If I manually set my phone in 3G CDMA, it's fine.

Is there a way I can have my phone automatically switch from the one to the other and back again based on location? What program do I need? Thanks!
 
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