In other news, my attempt at a universal decompressor - a.k.a imjtool (nightly build for Darwin) now supports img4 and BVX2 (in addition to zip, lz4, pbzx, yaa, bz2, gzip and much more) so you can decomp the kernelcache and new SPTM from the ios17 IPSW
newandroidbook.com/tools/imjtool.…