Google has begun rolling out a new “enhanced” mode in Android for installing apps from third-party sources when the developer has not undergone official verification. A key feature is a mandatory waiting period: after authorizing the installation of such software, the user must wait 24 hours.
This new mechanism aims to make it more difficult to install potentially dangerous apps. To allow the installation of apps from unverified developers, users must access developer options and enable the “Allow apps from unverified developers” setting.
Once enabled, Android displays several warnings about potential risks and prompts the user to initiate a one-time 24-hour waiting period. After this period expires, the user must return to the same settings section to confirm the authorization. Access to install unverified apps can be enabled temporarily for seven days or kept active indefinitely.
These restrictions do not apply to app installations via ADB; that mechanism continues to function as before. After activating the new mode, users can disable developer options again without revoking their previous choice.
The new system is managed by the Android Developer Verifier app, which Google announced in March. The corresponding update is currently being rolled out gradually.
These changes are linked to the introduction of mandatory identity verification for Android app developers. Starting September 30, Google will implement these new rules in Brazil, Indonesia, Singapore, and Thailand, with plans to expand the system to other markets in 2027.
In short, Google is not completely banning the installation of APKs from third-party sources, but it is complicating the process for apps from developers who have not passed verification. The company states that the new warning system and waiting period are necessary to protect users from malware and social engineering attacks.
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