Revamped version of the iPhone 3G with faster processing speeds. Repair of this device is similar to the 3G, and requires simple screwdrivers and prying tools. Model A1303 / 16 or 32 GB capacity / black or white plastic back.

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No service, No wifi. WHY?

I replaced the housing case of my iphone 3GS to a chrome housing case.

But now, I can only get wifi signal at home but cannot get it in the school (My iphone 3G can).

And it read the sim but 'no service'on the left top.

Is the new housing case's problem? or maybe I have damaged hardware?


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1 Answer

Chosen Solution

check contacts in sim tray aren't flattened- lift with flathead screw driver or similar. clean contacts.

wifi- check connector 5 (single pin) which is supposed to be for wifi and gps.

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Hi, I check the connector 5 but its good. I can get wifi at home, so wifi is good? but cant get wifi at school. confusing.


sorry, meant to come back and correct it to 6 (wifi/gps), 5 is the power/vibrate/headphone jack. oops. had a senior moment!

have you checked wifi settings in general?


Yes I know 5,6 are so close with each other. But they are all good connection. I checked the general setting but no problem. Do u know why I can get wifi signal at home but no signal at school?


it is so weird


have you jailbroken iphone or updated to ios 4? these can cause wifi problems. check the modem firmware too


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