Even though the iPhone 6, 6 Plus, 6s, and 6s Plus are world phones, CDMA capability will only be enabled if the phone is purchased from USA, China, or Japan. Models A1586, A1524, A1688, and A1687 from other countries still report an MEID in the settings, though inserting a Verizon or Sprint SIM will only work for a few seconds before showing no signal, this is an activation policy restriction that prevents these models from connecting to CDMA.