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I have this very strange issue with my iPhone 4's (iOS 5.0.1 9A405) Contacts app.

As you know, there is this "bar" on the right which allows you to touch a letter and have the table directly "jump" to that letter:

enter image description here

On my iPhone, the bar only works for letters A, B, C, and Z. Not the letters in between. If I touch any of the letters D-Y, it jumps to C. Huh? Note that searching for a contact starting with letters D-Y and/or scrolling to it manually works fine.

While investigating for the possible cause of this weird behavior, I also found out that there's a section # between the letters C and D, which I suspect might be causing the problem. Why is it there? All contacts in that section start with C and should thus be in the C section. Here are two screenshots of the misplaced # section:

enter image description here

enter image description here

Thanks a lot for your help!

share|improve this question
Have you tried upgrading to iOS 5.1 to see if the problem persists? – user479 Mar 31 '12 at 5:18
@RandolphWest: no, because my iPhone is jailbroken and thus I need to stay on 5.0.1 (there is no untethered jailbreak for iOS 5.1 yet). – houbysoft Mar 31 '12 at 15:37
I would suggest that running on an older, and unsupported, OS, is going to make answering your question difficult, especially if this is a known problem that has been repaired in iOS 5.1 (I don't know whether or not this is true, but it's a possibility). – user479 Mar 31 '12 at 22:54
@RandolphWest: I do realize that ideally I would update. However, I know many people for whom this works just fine, and they are also on iOS 5.0.1, so I don't think this is a known issue. – houbysoft Apr 1 '12 at 3:45
@RandolphWest: I'm now on 5.1.1 (latest), and the issue is still there... I've tried doing a full restore too, but it didn't help either. – houbysoft Jun 15 '12 at 14:37
up vote 1 down vote accepted

I finally fixed this by removing/renaming all the contacts in the misplaced '#' section.

No idea why it happened in the first place...

share|improve this answer
Interesting find. I've voted this up. – user479 Jun 18 '12 at 17:22

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