Originally Posted by salsa
Yeah, the 7750 is an older model and I would definitely recommend upgrading. The 7130e is fairly new, however, it depends if you like the SureType keyboard where there is 2 letters per key. If you want to full QWERTY keyboard like the 7750, I would recommend getting an 8700.
Until you get the new BB, you could try reinstalling your handheld software on the 7750 to fix the network issue. It could be an issue with the radio software and reinstalling the handheld software will fix that.
I already tried that and even tried going back to an earlier OS but same problem.