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1st Generation iPhone firmware 3.1.3 Unlock
Instructions for MAC

THE FOLLOWING INSTRUCTIONS ARE FOR THE 1ST GENERATION IPHONE ONLY. YOU MUST HAVE ITUNES 9.0  INSTALLED WHEN FOLLOWING THESE INSTRUCTIONS.

How to use these instructions.

Upgrading to 3.1.3 is a simple multi-step process. You must follow each step in order.

If possible please Sync your iPhone with iTunes before starting these instructions, as your data WILL be wiped off of the iPhone. You will get the data and settings back if you have syncʼd your contacts, email, photos etc before you start.

As you will be wiping the iPhone, any applications you downloaded onto the iPhone will be removed but the Apple App store applications can be downloaded for free again if you have downloaded them previously.

BEFORE YOU START

Unlocking and upgrading the 1stGEN iPhone to 3.1.3 (4 Steps)

YOU MUST NOT USE SAFARI WHEN DOWNLOADING THE FILES DETAILED IN THIS DOCUMENT AS SAFARI CHANGES THE FILES. PLEASE USE FIREFOX FOR THE DOWNLOAD.

Step 1.

Download the custom firmware file below. (remember where you save the file)
When the file have downloaded check its sizes match the following:

1stGEN_ONLY_3.1.3_Custom_Restore.ipsw should be approximately 241MB

 

Step 2.

Connect your iPhone to the computer using a cable not the Docking Device.

If your iPhone was not Jailbreaked (NO Cydia or Icy installed on your iPhone)
OR, If you don't know what this means (Never Unlocked your iphone before)
You need to put your iPhone into DFU MODE:
Hold the "Home" and the "Power" buttons at the same time for exactly 10 seconds, then Release the Power button, but keep Holding "Home" button until iTunes detects your iPhone in recovery mode. Please note that your iPhone screen will remain black. For more detailed instructions Click Here

If your iphone was Jailbreaked (you had Cydia or Icy installed on your iPhone)
No additional action is Necessary, proceed to Step 3

 

Step 3.

You will now see a screen with an iPhone called the “Summary”
Hold down ALT on your keyboard and click "Restore"

If you do this correctly you will be asked to select a file to open. If you get anything else click cancel and start Step 3 again

Step 4.

In the pop up window that appears navigate to where you downloaded the file (in step 1) and select it

1stGEN_ONLY_3.1.3_custom_Restore.ipsw and click open
 

NOTE: This may take 15-20 minutes depending on the condition of your iphone PLEASE BE VERY PATIENT DO NOT DISCONNECT YOUR IPHONE

DO NOT TOUCH YOUR IPHONE UNTIL YOU SEE THE HOME SCREEN WITH ALL THE ICONS OR YOU ENCOUNTER AN ERROR MESSAGE

When the unlock has completed you will see your home screen on the iPhone with all of the icons. In iTunes you will be asked to choose between setting up your iPhone as a new iPhone or to restore your iPhone from a backup.
We recommend that you set up your iPhone as a new iPhone. You will be given the option to re-sync all of your contacts and applications back to the iPhone on the following screen.

If you had any trouble or errors during the Process
Click Here for Troubleshooting
 

 
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