Xiaomi India — Xiaomi-redmi-note 4

Address:	Patna, Bihar, 800001
Website:	Xiaomi. In

I am very disappointed with redmi note 4 . The folder which i had hidden through file explorer is disappeared . Please help me with this. I have very important material in tht folder!
dear Xiaomi team, i request you to please consider this problem very genuinely because only the hidden folders are shown up by show hidden files option .. if any file has been hidden individually it wont show up .. i have tried evrything ..
1. show hidden albums
2. search through computer [system/hidden files]
3. file explorer
4. mi cloud

.. its no where .. i have not rooted my phone, just regular mi updates
.. the images are lost .. please help ..