Google's controversial "advanced flow" for sideloading is rolling out ahead of stricter developer verification

Published Aug 19, 2026, 12:17 PM EDT Patrick O'Rourke is XDA's News Editor and Entertainment Segment Lead. Previously, he was Pocket-lint's Editor-in-Chief, the Editor-in-Chief of Canadian tech publication MobileSyrup, and earlier in his career, he worked as the technology editor at the Financial Post and Postmedia. He's based in Toronto. Over the past 15 years, he's written thousands of articles. Patrick has also interviewed dozens of tech industry executives and covered GDC, E3, Gamescom, WWDC, Apple keynotes, Samsung Unpacked events and more. Patrick has a BA in journalism from Toronto Metropolitan University. Sign in to your XDA account Summary Google is starting to roll out Android advanced flow sideloading to add additional friction when installing unverified apps. Enabling Allow Apps From Unverified Developers triggers a one-time 24-hour wait before installation. Developer verification launches in September in Brazil, Indonesia, Singapore, and Thailand, with a global rollout coming in 2027. Just ahead of the launch of developer verification next month, Google has started rolling out Android's new "advanced flow" sideloading process. Earlier this year, Google confirmed that Android would be getting an intentionally more cumbersome method of sideloading Android apps from unverified developers. The tech giant says this more complicated installation process aims to add friction to better protect users from malicious apps. The process includes a one-time, 24-hour waiting period after enabling the ability to install apps from unverified developers and then actually installing the app in question. Back in June, Google confirmed that Android developer verification requirements are set to launch this September in Brazil, Indonesia, Singapore, and Thailand, with a global launch coming in 2027. Advanced flow is only required for apps from unverified developers Google says that this is a "one-time process" that takes "24 hours to complete" Credit: Google In an extensive Reddit post from Android Community Engagement Manager Mishaal Rahman, Google revealed how the initial version of this more complicated installation process will work. Users need to navigate to Developer Options and enable Allow Apps From Unverified Developers (you can then disable Developer Options if you want). After that, a warning appears stating that there is a 24-hour waiting period before the app can be installed. The setting can be enabled indefinitely or for seven days. It's worth noting that if you turn off Allow Apps From Unverified Developers after installing an unverified app, you won't be able to update it. Google says the new advanced flow is rolling out gradually, so you might not see it on your device right away. Additionally, Rahman explains in the Reddit thread that it doesn't matter where the APK is downloaded from, whether it's F-Droid or another third-party app store, the new requirement is that the app's developer is registered. Google announced its Android Developer Verifier app, which platform developers will need to use to verify, back in March. Google says that it will enforce Android developer verification across the Google Play Store, the Honor App Market, the Oppo App Market, the Galaxy Store, the Palm Store, the V-Appstore, and GetApps. ADB installation is not part of Google's new unverified developer Advanced Flow.