RB912UAG with LTE Card Huawei ME909s-120 stop working after 50MB Traffic

i have posted some info about my me909s-120 here http://forum.mikrotik.com/t/huawei-me909s-120-not-recognized/96644/1

also tried 6.37rc12 + 3.33 with same result - lte interface not recognized, under win 10 it works fast and reliable