Purchased Huawei K4505 from ebay.its working fine as a modem;has latest firmware(28mbps) but it doesn't read the microsd card (I tried both 2 & 4 GB) neither in win xp nor in linux mint. Contacted the seller he said its firmware/driver issue & would be solved in future. I just want to confirm this from other users of K4505. Plz help regarding this