Another issue with the smart and elegant system is the use of RFID tags for auto unlock. RFID tags sometimes pose to be glitchy, and recreating tag IDs maybe a cumbersome yet possible task. Another region of severe threat is calmly ignored due to its minor chance of occurrence.

Finally, the dependence on mobile phones could be problematic. Whilst its well protected, losing a phone or leaving it unlocked with the wrong surrounding could pose some serious issues.