This usually means your PC lacks the correct Java version. Update to the latest 64-bit JRE. "No device found":
The tool will automatically detect your device via ADB (Android Debug Bridge). On the right side of the interface, you will see a list of "Patch Options." Check the box for (most common use case). smali patcher 7.4
ADB connection failed or services.jar is corrupted. Fix: Manually copy /system/framework/services.jar AND /system/framework/arm64/services.odex (if present) to the tool’s folder. This usually means your PC lacks the correct Java version
In the Android world, "Smali" is the assembly-like language used by the Dalvik Virtual Machine. Most system restrictions—like preventing screenshots in secure apps or enforcing GPS location—are hardcoded into the services.jar file. smali patcher 7.4