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Cydia App Disappeared After iPhone 4 Jailbreak Using JailbreakMe 3.0

Hhhmm, I am just wondering if someone had the same experience. Yesterday, I have managed to jailbreak my iPhone 4 on iOS 4.3.3 with JailbreakMe 3.0. I made a backup first using PkgBackup before restoring it to iOS 4.3.3. So, after jailbreaking I started downloading some jailbreak apps in Cydia as well as restore my backup and my battery got drained so I Power OFF and recharged it. I tuned ON my phone and have noticed that Cydia icon was gone. I am not really sure what the cause is. A friend has told me that I should clear my cookies and cache and connect to high-speed Internet before jailbreaking my iPhone. Obviously, I need some advice. Anyone? Thanks in advance.

Asked by: Lorenzo from El Paso, Texas

Hello Lorenzo, Cydia icon vanishes after jailbreaking the iPhone, iPad, and iPod Touch is one of the known bugs / glitches of the new JailbreakMe. Though this bug is not really that serious, Comex must release an updated version of JailbreakMe (JailbreakMe 3.1) to fix this glitch, as well as the ”There was a problem downloading the jailbreak files. Invalid checksum” bug.

I am not sure if clearing iPhone’s Mobile Safari cookies and cache will fix the issue since you have successfully downloaded the jailbreak on your device and the entire jailbreaking process went smooth. These tips will only apply for those who have experienced and want to fix ”There was a problem downloading … Invalid checksum” bug. In your case, I would recommend to hard reset your iPhone and see if the issues get fixed. If you got no result, then restore your iPhone to clean stock iOS 4.3.3 firmware and immediately launch your Mobile Safari and navigate to JailbreakMe website ( to jailbreak your iPhone again. It should work this time. Just to make sure, after restoring, wait for Comex to roll out a new version of JailbreakMe tool.
No Cydia After JailbreakMe 3.0

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    Solger Hossan2 years, 9 months ago

    iOS 7 update

    Solger Hossan2 years, 9 months ago

    Cydia my phone update