My iphone is showing warning re: weak security WPA2 and suggesting to upgrade the firmware on the modem. In addition, every time there is a bit of a storm or rain, our wifi drops out and the modem has to be rebooted.   My modem is showing as having following firmware: 0.1.0 0.9.1 v5006.0 Build 200810 Rel.53181n   Please confirm that we havethe latest firmware, and if not, please advise how to update the firmware, or is there some other problem that is causing the issues we are getting?   ... View more