Originally Posted by Covert_Death
the SIM is for LTE ONLYYYYYY it will NOT provide GSM signal, the radios are NOT present. the SIM ONLY has LTE data on it. think of it like this, the SIM card is like a MicroSD card that tells the phone how to use networks, the one in the EVO ONLY tells the phone about LTE, it has no idea what GSM is or how it works... you will NOT get this phone to work overseas
Actually doesn't the Krait SoC have GSM, CDMA and LTE radios built on the chip? The LTEVO just doesn't have the antennas for GSM.