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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone 4 / iPhone 4S

iPhone 4 / iPhone 4S iPhone 4 / 4S

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Old 09-26-2011, 20:21   #1 (permalink)
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iphone 3g no service


Hey,

I have a few iphone 3g with all the same problem. Any help or advice would be greatly appreciated. I flash the iphone to 4.1 original software. I jailbreak it with redsn0w 9.6b5. i ultrasn0w to unlock it. it all goes through smoothly. i pop in a T-Mobile sim and after 5 min of searching it comes up with no service. i have unlocked hundreds of iphones with the same process and out of 300 i got 5 with the same problem. if i put in a AT&T sim, it works perfect. i tried reflashing and reunlocking and again same problem. here is phone info for 1 piece.

version: 4.1 (8b117)
carrier: carrier 8.0
model: mb048LL
modem firmware: 06.15.00

any advise would be greatly appreciated.

Thanks
Eli
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Old 09-26-2011, 20:37   #2 (permalink)
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Try Reset Network Setting If No Network May Its Hardware Problem
Regards
B,R
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Old 09-26-2011, 20:42   #3 (permalink)
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Quote:
Originally Posted by shedeed View Post
Try Reset Network Setting If No Network May Its Hardware Problem
Regards
B,R

i dont think its done by network reseting anyway try it.
meybe sim not competable or hardware
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Old 09-28-2011, 20:22   #4 (permalink)
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i tried resetting network and reflashing and rejailbreaking and it didnt work. is it possible that the ultrasn0w being installed by cydia is non compatible with the phone?
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Old 09-28-2011, 20:27   #5 (permalink)
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Quote:
Originally Posted by therepaircenter View Post
i tried resetting network and reflashing and rejailbreaking and it didnt work. is it possible that the ultrasn0w being installed by cydia is non compatible with the phone?
install via cydia pushfix,
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Old 10-02-2011, 18:29   #6 (permalink)
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pushfix did not help they still say no service. I dont think its a problem with hardware because it picks up att service perfectly. its just the tmobile that wont read. is it possible that these phones are from a different country and work work in usa even with ultrasn0w unlock?
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Old 10-02-2011, 21:56   #7 (permalink)
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are u sure your phone is not Sim- free?
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Old 10-03-2011, 21:44   #8 (permalink)
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i have a 3g not 3gs so the solution wouldnt work. i am not sure its sim-free how can i check?
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Old 10-03-2011, 21:50   #9 (permalink)
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Quote:
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i have a 3g not 3gs so the solution wouldnt work. i am not sure its sim-free how can i check?

bro still same ans chk on hardware i face also same prob after many trying i sand it for hardware
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