Your device must be rooted to use Mobile ODIN because it requires full administrator access to system files.
The app includes precautions, such as checking that your battery is at least 50% charged before starting to prevent "bricking" (rendering the device useless). Download & Compatibility mobile odin apk download
While older versions were widely available on the Play Store, many users now look for the APK to maintain legacy devices. Your device must be rooted to use Mobile
Flashing firmware is an advanced procedure that carries risks: mobile odin apk download