AUD Currency Display Issue

I’ve checked the issue and found that AUD currency is always showing.
Whether discount coupon apply or not
Could you please provide me more detail about the issue like any video if possible to understand the issue in more detail
Correct above sentence?

Here's a corrected version of your sentence:

"I've checked the issue and found that the AUD currency is always being displayed, whether a discount coupon is applied or not. Could you please provide more details about the issue, such as a video, if possible, to help me understand it better?"