1) manually switch to 2G mode.
2) execute my flow. Select 4G/3G/2G mode, wait some seconds and check whether 4G icon is showing or not.
i mean does your operator support 3G network?Does your network actually works on 3G?
i mean does your operator support 3G network?Does your network actually works on 3G?
When it shows 4G only (not 4G+) then your device is working on a 4G network not 2G."4G"(2G)