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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 06-14-2011, 14:50   #1 (permalink)
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no signal problem when i turn on 3G on iphone 3GS


hey i have a problem that when the 3G is off everiting working fine and i have signal

when i turn the 3g on i have no internet connection and no signal

its an iphone 3GS
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Old 06-15-2011, 18:43   #2 (permalink)
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anyone?
anyone?
anyone?
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Old 06-16-2011, 06:10   #3 (permalink)
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Quote:
Originally Posted by shaiiskiaev View Post
hey i have a problem that when the 3G is off everiting working fine and i have signal

when i turn the 3g on i have no internet connection and no signal

its an iphone 3GS
First try to replace Power Amp Module (Skyworks Sky 77340)
If still not work replace Hammerhead GPS (Infineon PMB 2525)
That's all!
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Old 06-16-2011, 10:07   #4 (permalink)
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chek this problem hardwar

http://www.hebergementimages.com/ima...ages.jpeg.html
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