Yesterday, I jailbroke my iPhone 4 with PwnageTool 4.3.2 which installed iOS 4.3.2. Now, the AT&T signal bar is stuck at one (1) bar even where I know there should be 4 or 5 bars. So, this morning, I started from scratch and re-jailbroke my iPhone 4. Still the AT&T signal bar remains at one (1) bar. Has anyone been experiencing this phenomenon? If so, any remedy for it?