XTOOL EZ400 Fail to Active and Solution Full Guide
![](http://blog.xtooleshop.com/wp-content/uploads/2018/04/xtool-ez400-fail-active-1.jpg)
One of our customers turned to us that he can’t active his new XTOOL EZ400 and the tablet screen remain as the photos attached below. How to solve this problem: Once you meet the situation like this, contact us with your serial number and activation code. Check the APP…
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