Hi Guys! im new in BlackBerry, BlackBerry 9630 Tor is my unit. ive got the same problem, Well ive learn one thing in the Technician who fix my blackberry.
This thing called "RF" a signal transmitter like is needed to boost your signal, well he told me,that i can be found on the replacement housing.
When im home, my signal go drop to 0, as in no signal "SOS", but when im on the office, ive got signal 2-3 bars, when the tech fix it or put some
"RF" on my black berry, it WORKS FINE NOW! hope my post help people who are exp this kind of problem. =)
Posted from my CrackBerry at wapforums.crackberry.com