Make sure your .so files are built with debug symbols (NDK_DEBUG=1 in Application.mk). Run ndk-gdb from the project root while the app is running. Don't manually copy .so files—let the APK package them. If symbols are missing, check with readelf to ensure they aren’t stripped. Try manually loading symbols in GDB with sharedlibrary /path/to/yourlib.so. Run ndk-gdb --verbose for more details in YoWhatsapp.