i went to the link previously recommended:
[GUIDE] Bad WiMax MAC? Broken 4G after update? Fix HERE!
this help me to figure that my MAC address was wrong and i was able to fix it. now i i get alerted that there is 4G is in the area but never connects.
it got me to look for this:
[Q] What Removes your RSA PRIVATE KEY
from here i was having trouble determining if my RSA key is intact or not. i was able to find out that if it is not im pretty much screwed.
some how i ended up here too:
STOP - Do not flash your Radio/WIMAX
ive also tried the 4G permissions fix which seems to brick my phone every time i try. any other suggestions out there???