Despite the advantages, not every organization should rush to build153. Avoid this hot build if:
⚠️ Do this only if admin password is lost and no backup exists. zktime50 attendance management systemver 487 build153 hot
A known frustration with ver 487 builds 140–147 was that the communication server would drop TCP connections to devices after 15 minutes of inactivity, requiring a manual service restart. Build153 hot implements a persistent keep-alive mechanism, resolving this without user intervention. Despite the advantages, not every organization should rush