Then, the download part. The user probably isn't finding the APK for version 2.43.4 on the Play Store. Maybe they need to go to third-party sites. But it's important to caution about security—malware and all that. Should I recommend a specific site? Maybe not, but mention using a trusted source.
First, I should outline the steps for downloading an APK on an Xiaomi phone. Xiaomi uses MIUI, which has different settings, like enabling unknown sources in security settings. That's a crucial step people might not know. I need to mention that first.
Structure-wise, the article should have an introduction explaining Yape, why someone needs the older version, step-by-step instructions with screenshots if possible, and a conclusion with security tips. Also, mention the risks involved in downloading APKs and the possibility of compatibility issues with newer Android versions.