Step-By-Step Guide to Jailbreak iPhone 3G running iPhone OS 3.0 using Redsn0w (Windows)
The iPhone Dev Team released updated version of PwnageTool for Mac users and Redsn0w for both Mac and Windows users to jailbreak iPhone 3G running iPhone OS 3.0. Here is our step-by-step guide to jailbreak iPhone 3G running iPhone OS 3.0 using Redsn0w for Windows users. We will publish one for Mac users shortly. An important preparatory step before jailbreaking youriPhone 3G is to take a backup of your iPhone. Please refer to this post for more details.
As with any hack, please proceed with caution as jailbreaking your iPhone could void it's warranty.
Here are the step-by-step instructions on how to jailbreak your iPhone 3G in order to use the iPhone OS 3.0 using redsn0w for Windows
Step 1: Create a folder on your desktop and name it Pwnage.
Step 2: Now download redsn0w from here or here and put it inside the Pwnage folder that you just created.
Also, download the latest 3.0 firmware from the location given below and put it in the same Pwnage folder. Please use Firefox to download the firmware as IE seems to automatically extract the file (thanks carny for the tip).
iPhone OS 3.0 - iPhone1,2_3.0_7A341_Restore
Step 3: Extract the redsn0w zip file to the Pwnage folder.
Step 4: Connect your iPhone 3G to the computer and then launch iTunes.
Step 5: In the iTunes, select your iPhone from the list of devices displayed on the left. Press the shift button on your computer and then click the Restore button on iTunes.
(Restore is preferred as it won't create any wasted space on your iPhone)
Step 6: Navigate to the Pwnage folder on your desktop and select the firmware ipsw. Click the Open button to continue.
Step 7: Once iTunes has finished updating your iPhone to the desired firmware, launch redsnw0w.exe from the Pwnage folder on your desktop.
Step 8: Once redsn0w launches, click the Browse button.
Step 9: Select the firmware ipsw (that you placed in the Pwnage folder on our desktop) and then click Open.
Step 10: Once the firmware has been verified, click the Next button in order to continue.
Step 11: Make sure the 'Install Cydia' check box is selected and click the Next button.
Step 12: Make sure that your iPhone is plugged into the computer, and it's switched OFF. Now click on the Next button.
Step 13: redsn0w will now guide you through the steps to get into DFU mode.
Hold down both the Home button and the Power button for 10 seconds.
Now, Release the Power button and continue holding the Homebutton until redsn0w detects the device.
Step 14: You will see a message that states that your iPhone is being jailbroken. Your iPhone will then reboot.
Step 15: redsn0w will begin uploading the new RAM Disk.
Once this activity is completed you will be see the message 'Done!', which means that your iPhone 3G has been jailbroken.
Step 16: Click the Finish button.
And when your iPhone finishes rebooting (approx. 5 minutes). It will be jailbroken with Cydia available on your iPhone's home screen so that you can install jailbreak apps.
How to Enable Battery Percentage Indicator in iPhone 3G/iPhone 2G running iPhone OS 3.0
When we had described some of the 100 new features in iPhone OS 3.0, we had mentioned that users will get the option to see the remaining battery power in percentage.But when iPhone OS 3.0 was released, we found out that this feature was strangely available only to iPhone 3GS users and not to iPhone 3G or first generation iPhone (iPhone 2G) users.
Thankfully like MMS and tethering, some clever folks have figured out a simple way to enable this minor but nice feature for iPhone 3G and iPhone 2G users.
Before we start, please take a backup of your iPhone. Please refer to this post for more details. Please proceed with caution and at your own risk. I have tested this only on iPhone 3G but it should work with iPhone 2G based on user feedback.
There are two methods to enable the feature, however like most hacks you will need a jailbroken iPhone to enable it.
SBSettings:
You can enable the numeric battery indicator via SBSettings. SBSettings is a jailbreak application that brings various toggle switches directly to iPhone's home screen that are available in the Settings app. You can read our post about SBSettings to get more details on how it works.
- After launching SBSettings, tap on the More button. This will take you to the settings screen of SBSettings.
- Then tap on "Extra & Options" at the bottom of the screen.
- Here tap on the toggle button to enable Numeric Battery.
- I had to reboot my iPhone to see the battery indicator in percentage.
asBattery:
You need to install asBattery developed by Andre Sendowski using Cydia on your jailbroken iPhone for which you might have to first install the relevant repository. To install it following these steps:
- Launch Cydia.
- Tap on Manage tab at the bottom.
- Then tap on Sources.
- Tap on the "Edit" button on the top right corner.
- Tap on the "Add" button to add the repository.
- Tapping on add will open a pop-up where you need to enter the URL of the repository. Please enter http://apt.iphone-storage.de and tap on the "Add Source" button. Please wait for the repository to be installed.
- Then tap on the Search tab at the bottom right corner of Cydia and search for asBattery.
- Tap on the "Install" button on the top right corner.
- Then tap the "Confirm" button. This will install asBattery on your jailbroken iPhone.
- After asBattery is successfully installed, reboot your iPhone.
- You should now be able to enable the battery percentage indicator via the Settings App (General->Usage->Battery Percentage) just like iPhone 3GS users.
I prefer this method over SBSettings as it gives you the same option available to iPhone 3GS users to enable or disable the battery percentage indicator.
Sendowski has achieved this by adding the string gas-gauge-battery to a file called M68AP.plist (iPhone 2G), N82AP.plist (iPhone 3G), N45AP.plist (1st-generation iPod touch), or N72AP.plist (2nd-generation iPod touch).
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