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 No Service 4.3.3
Unread 09-28-2011, 10:08 AM   #1
patatesboy
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Icon4 No Service 4.3.3

Hey everyone, for the past 6 days I've been trying to figure out why my ultrasn0w unlocked phone, iPhone 3GS with baseband 5.12.01, on firmware 4.3.3, out of nowhere is either displaying "No Service" or "_____ T-Mobile E". Now even though the signal bars turn into underscores and I cannot make a call, edge still works and I can go on the Internet. Also when someone calls me they say it doesn't go straight to voicemail, apparently it rings and rings then it goes to voicemail. I tried SAM, I tried restore, I tried reinstalling ultrasn0w. I took my sim out & tried it in several other T-Mobile phones & my phone worked. Here is the weird part. My girlfriend also has T-Mobile and she's using my old iPhone 2G. We swapped phones, and when her sim was in my troublesome phone, she didn't get that error once and I had great service on her phone. Im going to go get a new sim today hoping that could be it, but any suggestions would be greatly appreciated.

Cheers,

Hovig
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Unread 09-28-2011, 10:12 AM   #2
cooldayr
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Settings - General - Reset - Reset Network Settings

Also make sure 3G is off and Data Roaming is ON

iPhone 5 16 GB unlocked to T-Mobile USA! Micro Sim cut to Nano SIM
Hit the "THANKS" button if i helped you!
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Unread 09-28-2011, 10:17 AM   #3
patatesboy
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Thanks for your quick reply, I tried this a few times yesterday, my service comes back then about a couple minutes later, back to no service. I also saw this list somewhere, does this mean 5.12.01 is not compatible with 4.3.3??


Basebands Supported by Ultrasn0w 1.2.1:
iPhone OS 3.0 04.26.08 iPhone 3GS
iPhone OS 3.1 05.11.07 iPhone 3GS
iPhone OS 3.1.2 05.11.07 iPhone 3GS
iPhone OS 3.1.3 05.12.01 iPhone 3GS
iOS 4.0 05.13.04 iPhone 3GS
iOS 4.1 01.59.00 iPhone 4
iOS 4.0.1 05.13.04 iPhone 3GS
iOS 4.0.1 01.59.00 iPhone 4
iOS 4.0.2 05.13.04 iPhone 3GS
iOS 4.0.2 01.59.00 iPhone 4
iOS 4.1 05.14.02 via 06.15.00 iPhone 3GS [How-To]
iOS 4.2 05.15.04 via 06.15.00 iPhone 3GS [How-To]
iOS 4.3 05.16.01 via 06.15.00 iPhone 3GS [How-To]
iOS 4.3.1 05.16.02 via 06.15.00 iPhone 3GS [How-To]
Unsupported Basebands:
iOS 4.1 02.10.04 iPhone 4
iOS 4.2 03.10.01 iPhone 4
iOS 4.2.1 03.10.01 iPhone 4
iOS 4.3 04.10.01 iPhone 4
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Unread 09-28-2011, 10:24 AM   #4
cooldayr
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Not quite, hmmm yeah it might just be an unlucky SIM then, try a restart by holding the power and home button, if it fails then I am sorry

iPhone 5 16 GB unlocked to T-Mobile USA! Micro Sim cut to Nano SIM
Hit the "THANKS" button if i helped you!
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3gs, 4.3.3, no service, t-mobile, unlock 05.12.01

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