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PsstGreek

macrumors 68040
Original poster
Oct 21, 2010
3,776
59
Tampa Bay
Before I take my iPhone to the Apple Store tomorrow I want to get some views on other people who may be having this issue.

My iPhone 4 is on 4.2.1 with 1.59.00 baseband. Currently being used with AT&T. Now for some reason, I keep get "No sim card installed", "No service", "Invalid Sim", or it says "AT&T" with little to no bars.

I don't know if it's the iPhone itself causing the issues or the jailbreak software. I used PwnageTool and GreenPois0n and it still happens. I've restored the iPhone, set it up as new and the problem still persists.

Could it be because the baseband is 1.59.00? I have friends with iPhone's jailbroken on 4.2.1 (3.10.01) with GP and their iPhones don't do this.

Any suggestions?
 

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