Hmm meron naman engineering mode,, mas ok makapili ka band aggregation mas mabilis po net even sa pick hour,, like b1,b3,b5 combo napakabilis nito or b1 and b3,, for me dapat tanggalin band 28 malakas nga signal kaya lang common low frequency kasi 700mhz masyado,, congested na sa pick hour, sa mga nakakaintindi,,, mas ok medyo i tweak po,, salamat,