Update Steps: 1. Open the App Store on your MobiOcean POS. 2. Search and install the “Troubleshoot” app. 3. Open the Troubleshoot app — it will automatically update DBT to Version 3.31. 4. The device will auto-detect and complete the DBT 3.31 installation. 📶 Note: Ensure your POS has a stable internet connection & Fingerprint option is enabled. 📞 Support: 011-3512-3854