How do reactivate 3g data on moto g phone?

To reactivate 3G data on a Moto G phone, go to "Settings," then tap on "Network & internet" or "Connections." Select "Mobile Network" and ensure that "Data enabled" is turned on. If you need to select the network type, tap on "Preferred network type" and choose "3G" or "WCDMA" from the options available. Restart your phone to ensure the changes take effect.