Step 3: Once Cydia is up and running you will need to go into the Sources page.

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DO NOT under any circumstance update to i OS 5, 5.0.1 or you will update your baseband in the process.

You will need to create a custom IPSW through Red Sn0w or Sn0w Breeze.

For those who don't know, Apple introduced a new security check in i OS 4.2.x and i OS 4.3.x which puts all those i Phone into recovery loop who try to preserve their old baseband using Tiny Umbrella or by changing HOSTS file.

Note: Using Rec Boot or Tiny Umbrella (Exit Recovery) to kick your i Phone out of recovery mode loop will be of no use as these tools are only valid for i Phones running i OS 3.1.x and i OS 4.0.x/4.1.

Here are the steps I’ve taken to switch from AT&T to Straight Talk. If you are thinking about switching or are in the process of doing so, I’m sure you’ll find it helpful. ) Enabling MMS/Picture Messaging This process is a little more involved but it’s doable.

Straight Talk will provide detailed instructions on the activation process. It requires you to buy a T-Mobile SIM card to enter the correct data settings for your Straight Talk service. Double Tap and go back to the Cellular Data Network page.

If you have any questions, issues, or anything related to this article, let us know in the comments.

You can downgrade to i OS 10.3.3 if you act quickly.

Once Ultra Sn0w appears, tap on it and you should see version 1.2.4 / 1.2.5.