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Need Help, Unexpected Holes / Weird Artifacts (Zbrush Ipad)

Hello! I am still learning zbrush, But I have come across an issue and need a better solution to solve this issue, been really frustrated.
Just to Quick summarize, (Pics added at last)
So basically i was in the process of detailing this belt, I had used Remesh ( Tangent polygones to 80 for better remesh) then after that i think i had also frozen my subdivision also had started my detailing work, had used the cut tool in the process, when i was nearly done with my first step of detailing i had slight increased my subdivision (Freeze Subdivision is checked), Now there are holes on some places, which i dont know what have caused it But i need to know better way to solve it on ipad app

Was able to find a solution, as there was literally “Close Holes” option which i didnt knew about, had to remove subdivision and it fixed it! as simple as that.

for any one new having this exact problem, the close holes option will be here,
Tools > Geometry > Modify Topology > Close holes