Xhorse Dolphin XP005 No WiFi available Solution

Problem:

I turn on the xhorse dolphin xp005l key cutting machine and try to connect with WiFi, but it failed to search WiFi and said no available WiFi. Any suggestion?

Solution:

Remove dolphin ii screen and check if this black WiFi cable is well connected

Follow guide below to remove this part

How to Replace Xhorse Dolphin XP005L Screen?