- Google is rolling out the monthly December 2025 software update, which includes security vulnerability fixes and feature enhancements, for its Google Pixel devices: “Pixel 9,” “Pixel 9 Pro,” “Pixel 9 Pro XL,” “Pixel 9 Pro Fold,” and “Pixel 9a.”
- This release is “Android 16 QPR2,” a minor update to the “Android 16” major update that was released on Tuesday, June 10, 2025.
- It delivers Android security patch updates, bug fixes/improvements, and several new features.
On Tuesday, December 2, 2025, Google began rolling out the monthly December 2025 software update for its Google Pixel devices running the new-generation Android OS “Android 16”: “Pixel 9,” “Pixel 9 Pro,” “Pixel 9 Pro XL,” “Pixel 9 Pro Fold,” and “Pixel 9a.” This update includes the usual security vulnerability fixes and feature enhancements.
The December 2025 monthly software update, which has started rolling out to Google Pixel devices, is the release of “Android 16 QPR2,” a minor OS update to the major “Android 16” update released on Tuesday, June 10, 2025. It brings Android security patch updates, bug fixes/improvements, and several new features.
Furthermore, starting with this minor OS update, “Android 16 QPR2,” the Android OS will shift from a single major update per year to a more frequent release cycle.
The bug fixes and improvements applied in the December 2025 monthly software update (Android 16 QPR2 update) for Google Pixel devices are as follows.
| ■ Bug Fixes and Improvements for “Pixel 9,” “Pixel 9 Pro,” “Pixel 9 Pro XL,” “Pixel 9 Pro Fold,” and “Pixel 9a” |
| 〇 Audio ・Fix for issue causing audio to crash under certain conditions 〇 Battery & Charging ・Fix for issue where the battery icon in the status bar appears blank or as “?” under certain conditions ・Fix for issue where the 80% battery charge limit setting does not function correctly under certain conditions 〇 Bluetooth ・Fix for an issue that could prevent connection with certain devices or accessories under certain conditions 〇 Camera ・General improvements for camera stability under certain conditions 〇 Display ・Fix for issue where the screen is unresponsive immediately after unlocking from the Always-on Display (AOD) ・Fix for issue causing screen freezes or visual artifacts under certain conditions 〇 Framework ・Fix for an issue with toggling “Extra dim” in the Quick Settings tile under certain conditions ・Fix for issue where splash screens do not close, leading to low memory under certain conditions ・Fix for Picture-in-Picture (PiP) stability decrease during screen changes under certain conditions ・General improvements for system stability and performance under certain conditions 〇 Sensors ・Fix for stability decrease due to memory allocation errors in sensor-related functions under certain conditions 〇 System ・Improvements for overall system stability and performance under certain conditions 〇 Telephony ・Improvements for network connection stability and performance under certain conditions 〇 Touch ・Fix for issue causing fingerprint unlock to fail under certain conditions 〇 User Interface ・Fix for issue where the keyboard flickers or does not appear when searching in the app drawer ・Fix for issue where “Google Home” controls may launch as a blank screen under certain conditions ・Fix for issue causing the screen to freeze during gesture navigation or app switching under certain conditions ・Fix for an issue where message notification sounds may not play under certain conditions ・Fix for issues with layout and animations during screen transitions under certain conditions ・Fix for issue where UI elements in the notification shade overlap under certain conditions ・Fix for issue where a translucent background remains after launching the camera by double-pressing the power button under certain conditions ・Fix for issue where swiping up (to close apps / see recent apps) does not work under certain conditions ・Fix for issues with the Quick Settings tile shade under certain conditions ・Fix for issue causing System UI to crash during notification onboarding under certain conditions ・Fix for issue where Quick Settings tiles are displayed instead of the notification shade after unlocking ・Performance and stability improvements for certain UI transitions and animations |
After the December 2025 monthly software update for “Pixel 9,” “Pixel 9 Pro,” “Pixel 9 Pro XL,” “Pixel 9 Pro Fold,” and “Pixel 9a,” the build number will be updated to “BP4A.251205.006” (or “BP4A.251205.006.C1”), and the Android security patch level will be updated to “December 5, 2025.”
| ■ Android Security Patch Level |
| ・ “Pixel 9,” “Pixel 9 Pro,” “Pixel 9 Pro XL,” “Pixel 9 Pro Fold,” “Pixel 9a”: “December 5, 2025” |
| ■ Build Number |
| ・ “Pixel 9,” “Pixel 9 Pro,” “Pixel 9 Pro XL,” “Pixel 9 Pro Fold,” “Pixel 9a”: “BP4A.251205.006” ※ Japan models of “Pixel 9a”: “BP4A.251205.006.C1” |
The software update for Google Pixel devices is being rolled out in phases via Over-the-Air (OTA), starting today and over the next week. To check if the update is available, go to Android Settings > System > Software update, and tap on System Update.
| ①Android 設定の［システム］をタップ |
| Android 設定内の［システム］をタップします。 |
| ②［システム アップデート］をタップ |
| 表示されるメニュー内の［システム アップデート］をタップします。 |
| ③［システム アップデート］をタップ |
| 画面右下の［アップデートをチェック］をタップします。 |
Users of the Japan models of “Pixel 9,” “Pixel 9 Pro,” “Pixel 9 Pro XL,” “Pixel 9 Pro Fold,” and “Pixel 9a” should apply the software update immediately.
Source: Google
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