Recovering missing space of a USB flash drive

This USB has 32GB of space, but suddenly it has changed to 1.91 primary partitioned and 27.38 unallocated space…

Solution:
RUN CMD AS ADMINISTRATOR and follow the steps.
AFTER EVERY STEP CLICK (ENTER)

* diskpart
* list disk
* select disk (disk number) e.g. select disk 1. (You should chose the disk to work with – The damaged USB)
* clean
* create partition primary

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