How to upgrade your existing old electronic guest door locks (without changing) – From Old to Smart:
Check the lock model, age, and current working condition Identify supported technologies (RFID, keypad, magstripe, etc.) Review compatibility with modern PMS and access systems Select upgrade kits or new lock bodies that fit existing door cut-outs Avoid door replacement by using retrofit plates and compatible hardware Replace old cards with RFID MIFARE, PIN, or mobile …