I refuse to use a new Android phone without installing this free app first

Thankfully, a free Android app solves this problem, and it's the first app I install on any new Android phone that I set up.

The 10 Android privacy and security features I check regularly (and you should too)

To ensure I keep on top of my phone's security settings, I keep an Android security checklist that I revisit regularly. Here's what's on it.
Scientific Research Publishing

Secure Offline: A Hardware-Bound Cryptographic Framework for Software License Validation in Internet Constrained Educational Environments ()

The system employs HMAC-SHA256 (Hash-based Message Authentication Code using SHA-256) for license integrity verification. SHA-256 refers to the Secure Hash Algorithm producing 256-bit hash values (see ...