Will I be automatically upgraded to 4G LTE option?

By default, consumers should be able to connect to a 4G network if the device is capable to do so based on its specification. However, if a user manually disables the 4G option in the phone setting, 4G connection will be disabled. To check if your SIM is 4G-friendly type LTE and SMS to 20000. Should you need a replacement, just visit your nearest Digi Store to upgrade your SIM now.