I downloaded iOS WhatsApp from App Store, decrypted the binary, repacked it, and installed it back onto the device (deleting the app before installing). When I opened it, it only showed me a blank view.

When I downloaded a non-login-dependent app and follow the same process, I can open the app and use it successfully.

Why does an login-dependent app not work?

  • Possible signature check perhaps? maybe you modified and corrupted something while repacking.... – NotGI Feb 8 at 20:18

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