Xhorse Dolphin XP005L Version Remain Unchanged After Update via App?

Problem:

I’ve updated the Xhorse Dolphin XP005L firmware via Xhorse app, but the version remains unchanged in the device after the upgrade. Any solution?

Xhorse Dolphin Xp005l Version Unchanged After Update 1

Xhorse Dolphin Xp005l Version Unchanged After Update 2

Solution:

Open the bottom cover of the Dolphin II, check the green connector (image below), disconnect it, and proceed with the upgrade again.

Once the upgrade is complete, reconnect the connector.

Xhorse Dolphin Xp005l Version Unchanged After Update 3