MLA-AL10 Maimang 5 4GB+64GB Full Netcom version. The full Netcom version of the phone supports China Mobile's 4G/3G/2G, China Unicom's 4G/3G/2G, and China Telecom's 4G/3G/2G; Note: If both cards are telecom cards, only one telecom card can be used. Card slots 1 and 2 can be switched between the main card and the secondary card at will. When the primary card is a telecommunications card, the China Unicom card cannot be used as the secondary card to use 3G.