Guys may na encounter na ba kayo sa modem nyo sa white mamba / black mamba ung kapag narereach nya ung certain Data limit biglang bababa ung Download speed enterprise smart postpaid gamit kong sim. Baka may idea kayo kung paano ggwin pra maglock sya sa may 100 Mbps download speed. tinry ko rin ung Cell ID locking pero im not sure if im doing it right. Hope you can help me with this.