Whether or not an ipsw firmware file is signed determines whether or not you can use that ipsw to update ios or whether or not you can downgrade ios to a prior version. put simply, if an ipsw firmware file is not being signed by apple through their servers, it can not be used to place onto an iphone. Good news for folks who lost their jailbreak updating their ios device to try out ios 7, it appears that apple is currently signing 6.0.x versions of ios firmware. this means that you should be able to downgrade your iphone or ipad to ios 6 and re-jailbreak.. Apple opened the signing window for various ios 6 to ios 10 firmware versions today. it's unclear why or how long this will last so users looking to downgrade should do so asap. developer steve.
Apple is currently signing the ios 6.0.x firmware ipsws meaning you can now downgrade your device for a jailbreak. the news was first reported on icj.me; however, we have confirmed a successful. Apple has stopped signing ios 12.0.1 which means that it is no longer possible to downgrade or restore to that firmware version. currently, apple's latest firmware is ios 12.1 and developers have been seeded with ios 12.1.1.. Apple is ready to launch its new ios 8 to public when launching iphone 6, due to which company is approaching to minimize the use of previous firmware versions as apple already stopped signing ios 7.1.2 a few days ago, which means that nobody can upgrade, downgrade or restore the ios 7.1.1 build no 11d201 until unless users already saved shsh blobs previously..
