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How to fix the "Illegal Instruction: 4" error you get with some command-line iOS utilities (gdb etc.)

gdb jailbreak command-line fix sed

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Run these commands, preferably as root:


sed -i'' 's/\x00\x30\x93\xe4/\x00\x30\x93\xe5/g;s/\x00\x30\xd3\xe4/\x00\x30\xd3\xe5/g;' $PATH_TO_EXECUTABLE



where $PATH_TO_EXECUTABLE is the path to any problematic executables.

Also tagged with one or more of these keywords: gdb, jailbreak, command-line, fix, sed