Question about Apple iPhone 3G

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I upgraded my iphone 3g with the 4.0? software and now it says invalid sim. how do i fix this? Why would apple say, that there is an upgrade available for my iphone? I can't use the phone or text anymore, etc. HELP!!

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You can read my tips to fix this or you can contact me personally. Here are the links:
JAILBREAK
http://www.fixya.com/support/r5452955-jailbreak_all_idevices_iphone_4_3gs

UNLOCK
http://www.fixya.com/support/r5537989-unlock_iphone_4_3gs_3g_or_older_ios


For more iPhone / iPod touch tips, click here.

If you need online help about jailbreaking and unlocking, you can contact me personally at this email: sale-47hyk-1863377234@craigslist.org


...

Posted on Aug 24, 2010

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Posted on Jan 02, 2017

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I started upgrading my 3G phone with latest upgrades but after restoring to copmpanys setting it is not being reactivated some time sau thay there in no sim although I have changed the sim after seeing...


Is the sim card installed belongs to the wireless company that the iPhone is locked to, or is the iPhone sim free?
If not, try contacting the company that the iPhone is locked to to try to unlock the iPhone to sim free, or get a sim that belongs to the company.

Sep 30, 2013 | Apple iPhone 3G

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on Aug 08, 2010 | Apple iPhone Smartphone

1 Answer

How to upgrade and apple iphone 3g please read description :)


In your Settings App, go to "General" then go to "Software Update". From there you can upgrade your software without using your computer.

Apr 10, 2013 | Apple iPhone Cell Phones

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My iphone 3g did not detect my smart sim card after upgrading ,how to fix this


maybe go to settings - general - reset right down the bottom, it fixes a lot of problems.... if not go to apple site and try troubleshooting

Mar 29, 2011 | Apple iPhone 3G

1 Answer

Unlock assistance for iphone 3g 4.2.1


When you ask to unlock is it so that you can use it on another carrier i.e on vodafone instead of t mobile
if so it can be done but you will have to upgrade your basband to 6.5 (i think it is ) which is from a apple ipad. then you can run unlock software which will unlock the sim. Please note there is no way to downgrade the baseband so once you upgrade it there is no going back and apple will know this if the phone is under warranty

Feb 27, 2011 | Apple iPhone 3G

1 Answer

I9 phone says no service


i've downloaded the itunes software to insert the songs to iphone 3g,
but after i downloaded the iphone appeared "sim failuer".
the iphone doesn't recognize my sim.
i've asked my sister, she said mayb the iphone upgraded or formated.
because the iphone didn't appear my old theme..
i can't solve it, could u pls help me?
thanks advance!

Oct 18, 2009 | Apple iPhone Smartphone

9 Answers

What are the steps to update my iphone


Here is simple guide for those Users who will be first time upgrading their iPhone 2.2 or 2.2.1 to firmware 3.0. The guide is applicable for Upgrading iPhone 2G/3G 2.2 or 2.2.1 to OS 3.0 and also for iPod Touch. Please note in order to upgrade iPhone to firmware 3.0 you must have installed iTunes 8.2.
How to Upgrade iPhone 3G 2.2/2.1 to 3.0 firmware 1. Connect your iPhone 3G to computer
2. Open iTunes 8.2
3. Select your iPhone under Devices in the Source List on the left.
4. In the iPhone Summary pane, click Check for Update.
5. Click Download and Install. Do not disconnect your iPhone until the update has finished
That’s it, Once update is finished your will have iPhone 3G running latest firmware 3.0.

Please rate this solution
RNJ VINODKUMAR

Oct 02, 2009 | Apple iPhone Smartphone

3 Answers

Unlock iPhone 3G Baseband 2.30.03


Jailbreaking is possible. But not software unlocking. For that you must buy something like a Turbo Sim. For jailbreaking try the program called Quickpwn

Jun 05, 2009 | Apple iPhone Smartphone

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