If your Mantra MFS100 or MFS110 L1 scanner displays Error 1001: Device Not Registered, your hardware subscription has expired on the central management server. To resolve this instantly:
- Check your device serial number (7 or 8 digits) on the back sticker or via the Mantra RD Test App.
- Process an online Mantra RD Service recharge for 1 Year or 2 Years.
- After fast activation (5-10 minutes), restart the Mantra AVDM service in Windows or clear app cache in Android.