Some Pixel phones users are reporting their discomfort regarding the battery life of their devices (1, 2, 3, 4). They point out that, after Android 12 update, battery life worsened significantly compared to Android 11. After updating to Android 12, the battery seems to be draining at a significantly higher rate on my pixel 4a. Losing a percent per half hour when the phone isn’t in use. This wasn’t the case before the update. I would get 24 hours of full usage in a single charge. Source. The reported issue seems to be present in very recent models. For example, many of the affected users have a Google Pixel 4a 5G or a Google Pixel 5, both released last year. So, the problem is not limited to older models.
After the Android 12 upgrade, Google Pixel phones are suffering strange battery depletion. At the bottom of this story, new updates are being added. The following is the original narrative (which will be published on October 29, 2021): The Google Pixel 6 phones came with a stable version of Android 12. It has since become available for additional Pixel phones. However, certain models are experiencing issues following the update. Some Google Pixel phones have experienced power depletion following the Android 12 upgrade.
The problem was present in Android 12 betas. In Android 12 public betas, an alleged excessive battery consumption was already reported (1, 2). Now that the stable version is available, some Pixel phone still have the problem. The problem is with the Android system intelligence service. There were lot of treads about this problem in Android 12 beta program. It seems that the problem is not fixed by Google. This was my first pixel phone and if this is how Google tests its devices, it will be my last one…