kevincruise.hashnode.devHow does RILNotifier interact with the SIM card?Android devices rely on various system components to maintain seamless communication between hardware and software, particularly for mobile connectivity. One such component is RILNotifier, a system-level service present in many Android devices. The R...Jul 20, 2025·4 min read
kevincruise.hashnode.devWhat permissions does a companion device need to function properly?Companion devices, such as smartwatches, fitness trackers, wireless earbuds, and certain smart accessories, are designed to work closely with Android phones and tablets. For these devices to function smoothly, the companion device needs a set of perm...Jul 2, 2025·3 min read
kevincruise.hashnode.devWhy is the Meta App Installer using data or running in the background?The Meta App Installer is a system-level service commonly found on Android devices, especially those that come preloaded with apps from Meta Platforms, Inc. (formerly Facebook). While it may seem unnecessary or even suspicious, this service plays a s...Jun 27, 2025·3 min read
kevincruise.hashnode.devWhat does "AVC Block List" mean on an Android device?On some Android devices, especially those with carrier or security-focused firmware, users may come across the term "AVC Block List" in system settings or network management apps. Understanding the AVC block list meaning can help clarify its purpose—...Jun 19, 2025·3 min read
kevincruise.hashnode.devWhat makes a keychain app the “best” for Android users?In today’s digital landscape, managing dozens of passwords across apps, websites, and services is a challenge for most Android users. Keychain apps, also known as password managers, have become essential tools to store, organize, and secure sensitive...Jun 11, 2025·3 min read