For the utmost security, technically advanced users should verify the cryptographic signature of the Mycelium APK file before installation. This process guarantees that the application you are installing is the exact one released by the developers, free from any tampering or malware inserted by a third-party app store or download mirror. The developers typically publish the digital signature and checksums on their official website or GitHub repository. Using tools like apksigner on your computer, you can verify that the signature of the downloaded APK matches the one provided by the developers. This extra step, while not necessary for every user, is the digital equivalent of checking a banknote’s watermark. It is the final, most robust step in ensuring the integrity of your financial software. For those who manage significant amounts of Bitcoin, taking the time to verify the mycelium wallet package is a non-negotiable security practice that eliminates the risk of installing a maliciously modified application designed to steal your seed phrase.