This method is working for Hyundai T7 tablet pc.
1. Download app Exynos Abuse from
http://www.mediafire…ckg9wk1ayzsu8s8
2. Extract to SD Card or your Tablet
3. Install and open application
4. push ” Root device” and then when popup show please push “Grant ”
5. You tablet alredy Root, can check by app Root Checker.