New answers tagged 3g
Head over to the settings> Under Wireless and Networks>Tap More Settings>Mobile Networks>Network Mode>Change it to GSM only. This will keep you over the 2G network, when ever there's a need of 3G network again in future then you can again change it to auto mode.
Go to settings and tap SIM management and select always ask for mobile data connection... That is all...
It should be automatic and it should show you on the screen what it is using 3G, 4G or H
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