Even after switching the interface to English, some specific promotional banners, merchant names, or legal notifications may remain in Vietnamese, as these are often hardcoded by local vendors. However, all functional buttons (Transfer, Top Up, Settings) will be in English.
As of early 2026, many users report that the standalone ZaloPay app within its settings menu. It primarily defaults to the language of your smartphone's operating system or stays in Vietnamese by default. Zalopay Change Language
. This often automatically updates the integrated ZaloPay interface. 2. The Standalone ZaloPay App Even after switching the interface to English, some
Changing your language in the ZaloPay app is actually a bit unique compared to other apps because some specific promotional banners
support an English interface. You can change this by going to Language and Text Size