Help upgraded from 2.3.4 to 2.3.6 wifi dies after a while

[kicsrules]

as the topic says, upgraded from 2.3.4 to 2.3.6 and now if i leave the wifi on after a while gets disconnected, says "scanning" and 3g is connected, i have to turn it off and then turn it on again, sometimes says error and i have to reboot phone...

any suggestions ?

 

[kicsrules]

136 views and not a single "you're on your own"

 

[kicsrules]

fixed, flashed old modem (or the one that matched my s5830L