Can't go into hard reset with tablet

May 7, 2018
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So recently I cracked the screen on my y88x-plus without a warranty. I can turn it off but as soon as i try the combination (volume+volume up) it boots up in normal mode.
the screen is cracked and touch screen too so I cannot go to settings.

The said tablet is, as i mentioned, the Dragon Touch Y88X-PLUS.