New answers tagged 4g
The "Smart Network Switching" is available since Android 5.0. You can see it in the official changelog here (in "see all features", "connectivity" : «Improved network selection logic so that your device connects only if there is a verified internet connection on Wi-Fi»).
go to your settings and then go to Network Settings and change your network mode to WCDMA/GSM .
Go in settings and then mobile network, If u want to use only 4G then change the network mode to LTE only and then just right next to it is network operator, click that option and go for automatic search and register. Your cell will be registered to the 4G bands of your career and then simply turn the Mobile Data on. There You Go!
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