Google adds 24-hour waiting period to Android app sideloading: Here's what changes

Google has detailed its new "advanced flow" for sideloading apps on Android—and as promised, it is high-friction. Starting August 2026, anyone who wants to install apps from unverified developers will need to go through a one-time, multi-step process that includes a mandatory 24-hour wait before a single APK can touch their device.The process begins with enabling developer mode—the classic tap-the-build-number-seven-times routine—followed by a prompt asking whether someone is coaching you into disabling your security settings. After confirming you're acting on your own, you restart the phone, then sit on your hands for a full day. Once the waiting period ends, you authenticate via fingerprint, face unlock, or PIN, and choose between a seven-day window or indefinite access to unverified installs. Even then, a warning appears every time you install an unverified app.The delay is specifically designed to kill the urgency that scammers manufacture. Fraudsters typically stay on a call with their targets, walking them through disabling protections before the victim has a moment to think. The restart step cuts off those calls; the 24-hour gap breaks the psychological pressure. According to a 2025 report from the Global Anti-Scam Alliance, 57% of surveyed adults experienced a scam in the past year, resulting in a global consumer loss of $442 billion. Google cited that figure directly when explaining why the friction needed to be this deliberate.The advanced flow arrives ahead of Google's broader developer verification push, which will begin enforcement in Brazil, Singapore, Indonesia, and Thailand in September, before expanding globally next year. Verified developers—those who've submitted ID, signing keys, and a $25 fee—won't trigger this process for users at all. For students and hobbyists who don't want to go through full verification, Google is also rolling out free limited distribution accounts that allow app-sharing with up to 20 devices.For most Android users who stick to the Play Store, none of this changes anything. But for power users who regularly sideload, the days of a quick toggle and an install are effectively over.