[REMINDER] Save SHSH blobs for iOS 4.2.1 Before it's too late!
Save SHSH blobs for iOS 4.2.1 with TinyUmbrella | iPhoneHeat
Semaphore has released TinyUmbrella 4.21.01 that can save SHSH blobs for iOS 4.2.1 (iPhone, iPad and iPod Touch). Step-by-step instruction to save iOS 4.2.1 SHSH blobs and TinyUmbrella 4.21.01 download links after the jump…
save shsh blobs ios 4.2.1NOTE:
* You can save SHSH blobs for iOS 4.2.1 only if it’s being signed by Apple. Go grab your SHSH blobs for iOS 4.2.1 before it’s too late. Apple stops signing a firmware when an updated version is out.
* TinyUmbrella can save SHSH blobs regardless of jailbreak.
* With TinyUmbrella you can save SHSH blobs for iOS 4.2.1 even if you’re on an older iOS version.
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Big Boss: Don’t Jailbreak iOS 4.3 GM, Messes Up Mobile Substrate
With 4.3 comes apple’s implementation of address space layout randomization (ASLR). In short, this will mess up the way mobile substrate works. You will need a new mobile substrate in order to use your favorite tweaks such as winterboard, sbsettings, bitesms, folder enhancer, etc. So you should definitely avoid 4.3 until an “official” jailbreak is released for it.