The most controversial claim in this letter is in the section that "Existing Measures Are Sufficient." In Google's announcement in Nov 2025, they articulated a pretty clear attack vector. https://android-developers.googleblog.com/2025/11/android-de... > For example, a common attack we track in Southeast Asia illustrates this threat clearly. A scammer calls a victim claiming their bank account is compromised and uses…
For example, the "Restricted Settings"¹ feature (introduced in Android 13 and expanded in Android 14) addresses the specific scam technique of coaching someone over the phone to allow the installation of a downloaded APK. "Enhanced Confirmation Mode"², introduced in Android 15, adds furthers protection against potentially malicious apps modifying system settings. These were all designed and rolled out with specified threat models in mind, and all evidence points to them working fairly well.
For Google to suddenly abandon these iterative security improvements and unilaterally decide to lock-down Android wholesale is a jarring disconnect from their work to date. Malware has always been with us, and always will be: both inside the Play Store and outside it. Google has presented no evidence to indicate that something has suddenly changed to justify this extreme measure. That's what we mean by "Existing Measures Are Sufficient".
[^1]: https://support.google.com/android/answer/12623953
[^2]: https://android.googlesource.com/platform/prebuilts/fullsdk/...