Inject Dylib Into Ipa New!
You have several options for re-signing:
Several projects automate the entire injection process: Inject Dylib Into Ipa
| Problem | Likely Cause | Solution | |---------|--------------|----------| | App crashes immediately | Dylib path incorrect or signature invalid | Check load commands with otool -L ; re-sign. | | Dylib not loaded | LC_LOAD_DYLIB missing or broken | Use otool -l SampleApp \| grep -A2 LC_LOAD to verify. | | Symbol not found | Dylib depends on another library not present | Use nm -gU inject.dylib to check undefined symbols; bundle dependencies. | | App launches but no effect | Constructor not called | Ensure __attribute__((constructor)) is used or use +load method. | | “Fatal error: module not found” | Missing framework or dylib format wrong | Compile dylib for ARM64 iOS, not macOS. | You have several options for re-signing: Several projects
: Import your IPA to the App Library, select "Signature," then "More options," and "Add .dylibs" to bundle your tweaks. General Workflow | | App launches but no effect |
Alternatively, using insert_dylib :
: Since an IPA is a ZIP file, you can unpack it using standard tools like unzip or by simply renaming it with a .zip extension and extracting it.
Without Substrate, you can use method_exchangeImplementations :