
This should be sorted and SHSH’s can be saved once again.

This is a witty application that can restore your jailbroken iPhone to another firmware version with the aid of previously saved SHSH blobs What's new in TinyUmbrella 9.3.4: If somebody can store it somewhere and post a more permanent link. Copying it on another machine at the same place (replacing a 0b file that was there), I got v7.11 to work, so this should help.
Here is a temporary (1 month) link to the libosx.jar that was in my /.shsh/.cache/ folder, from a previous install of TinyUmbrella, probably 7.04. How To Fix Tinyumbrella Unable To Validate Libraries on new version tinyumbrella 9.3.4.0 you can get file below.
