Furthermore, the concept of the device identifier adds a layer of technical nuance to the process. iMazing identifies devices based on their Unique Device Identifier (UDID). If a user restores an iPhone to factory settings via recovery mode, the UDID generally remains the same. However, if a user engages in hardware repairs—specifically replacing the logic board or certain internal components—the device may effectively present itself as a new piece of hardware to the software. In such scenarios, a user might find that their "same" phone is now being read as a second device, consuming a second license slot. In these rare and complex cases, the removal of the "old" version of the device becomes necessary to reconcile the software license with the physical hardware.

: Devices that haven't connected to iMazing for 9 months are automatically unlinked, freeing up the slot.

Removing a device from your iMazing license isn’t difficult, but it’s not as obvious as a simple "delete" button. By deactivating properly, you keep your license clean and ready for your current devices.