Installing APK files directly on an Android phone can have several consequences, including: Security Risks: APK files that are downloaded from untrusted sources may contain malicious software or viruses that can harm your device or steal sensitive information.

Clicking on an APK file runs the risk of installing an application that can steal personal and sensitive data stored on a cellphone. What data can be stolen? Various, including banking data such as PINs and passwords, SMS that sends OTP, and even information that we are typing on the cellphone keyboard.