Each storefront is a separate market, not a translation
Shopee Singapore, Malaysia, Thailand, Vietnam, the Philippines, Indonesia, Taiwan and Brazil each have their own catalogue, account system, logistics network and payment rails. An account registered on one generally does not work on another.
So the consequence of a wrong IP country is not seeing different prices — it is landing in the wrong market. The platform routes you to the storefront matching your IP, and with the wrong exit you may not even reach the sign-in page you wanted.