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My nokia Lumia 720 mobile network is not turning on. I have tried many times the data on/off button and restarted the phone but it is not working neither it is showing 'E' single on the phone. Please help me.
hi mate, is your highest data connection speed in the Settings set to 3G? also check that you have your microSIM cut correctly and that you have the correct network carrier data settings from your network carrier, and that your data plan is activated. also ensure that you are up to date with the latest firmware for your device, and that you are up to date with the latest Nokia system app updates from the Store.