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No Signal After Unlocking iPhone 4 on iOS 5 Using Gevey SIM

Hi Jaxov, I have followed your tutorial to unlock iPhone 4 on iOS 5 after jailbreaking it using iOS 5 custom IPSW which was created using Redsn0w. But, after unlocking and jailbreaking, I have noticed that my cellular signal depleted drastically. I never get a full bar. Is this normal? Thanks.

Asked by:  Bill from Boise, Idaho

Hello Bill, you were probably experiencing one signal bar issue, and this is not normal after unlocking iPhone using Gevey SIM. Well, you will experience this issue while unlocking your iPhone 4 with Gevey SIM but it should get fixed once the unlocking process is done. Anyway, you will be able to fix this by installing the latest version of Ultrasn0w tool. You can check the tutorial posted below on how to download and install Ultrasn0w 1.2.4:

Step 1: Launch Cydia app on the SpringBoard of your jailbroken iPhone.

Step 2: Once loaded, tap on the Manage tab at the bottom of Cydia followed by a tap on Sources section to view your current Cydia repos. If you see Ultrasn0w’s repo already added in your current sources list, jump to step 4 otherwise continue to the next step.

Step 3: Now you have to add Ultrasn0w repo. Just tap on the Edit button followed by a tap on Add button. Then enter as Cydia/APT URL and hit Add Source button.

Step 4: Once done, tap the Search tab and enter Ultrasn0w in the search field and search for it.

Step 5: From the search results, select Ultrasn0w (1.2.4) and install it by tapping on the Install button.

Step 6: Cydia will now install Ultrasn0w 1.2.4 on your jailbroken iPhone. Once completely installed, just simply reboot your device to fully activate the application as well as fix your issue.
Jailbroken iPhone No Signal

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