Check where the button takes you
Read the address in your browser after opening a download page. Before saving a file, review the app name and the file information presented there.
A webpage logo and an Android package name are separate pieces of information. If you are unsure which app a file will install, review its details before continuing.
Check the completed download
- Confirm that your browser marks the file as complete.
- Check its filename and file type in the Downloads list.
- Open the Android installer and review the app identity it displays.
- Read permission and device-security messages before deciding to install.
A partial download can cause a parsing error. See download and installation troubleshooting if the file does not open correctly.
Understand package names and signatures
An Android package name identifies the app within the operating system. A signing certificate identifies the key used to sign that package. An update usually needs to match the existing app’s package identity and signing certificate.
Similar names, matching icons or a familiar website design cannot establish that two packages are the same. An unexpected signature conflict needs checking before you remove the current installation.
Use a checksum correctly
A SHA-256 checksum is a fingerprint of the downloaded file. Compare it with a checksum supplied for that exact release by its publisher. A matching checksum shows that the file matches that reference; it does not independently prove the app is safe.
Keep device protections enabled, and use the installation guide only after you are satisfied with the file you selected.