Help with jailbreaking and Cydia for iPhones, iPads, and iPod touches.

evasi0n7 can jailbreak iOS 7.0-7.0.6 untethered. p0sixspwn can jailbreak iOS 6.1.3-6.1.5 untethered (see here for 6.1.6).
How to jailbreak iOS 7.0-7.0.6 (and fix problems). iOS 7.1.x is not jailbreakable, except an unsupported tethered iPhone 4 jailbreak.
Restoring or updating will update your device to iOS 7.1.1 and remove your jailbreak. There is no way to downgrade from iOS 7.1.x to 7.0.x.

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I upgraded my iphone 4 to 6.1.3. the BB and SN are 04.12.05 and 5K101XXX with carier Softbank, Japan. Tinyumbrella detected several SHSH like 6.1.2, 6.0.1, 5.1.1b and 5.1.1 on my iphone. I just know, the BB 4.12.05 cannot be unlocked. But, there is any possibility to downgrade and unlocked as well on this iphone? I have tried to downgrade using redsn0w and snowbreeze but both of them field. please your advice. thank you.

asked 12 Aug '13, 03:06

aldi's gravatar image


There's no way to downgrade the baseband on an iPhone 4.

If those 6.x SHSH blobs were automatically saved by Cydia, they are invalid and cannot be used to downgrade your iOS version. You can use iFaith to verify the blobs you have to see if they are usable.


answered 12 Aug '13, 03:09

0x56's gravatar image


only 5.1.1 and 6.1.3 are stable. how about possible or not.. Thank you??

(12 Aug '13, 03:21) aldi aldi's gravatar image

The only option is an IMEI unlock. You may try contacting SoftBank to see if they will perform the unlock for you (I have heard that they do not readily do this for customers). Another option is to pay a 3rd party service, however SoftBank is a particularly costly one. iProService offers this service.

(12 Aug '13, 03:41) 0x56 0x56's gravatar image
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Asked: 12 Aug '13, 03:06

Seen: 747 times

Last updated: 12 Aug '13, 03:41

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