How to fix battery drain on Samsung Galaxy S21

However, this issue only affects the S21 version using the Exynos processor (ie the version sold in Norway, Vietnam . and some European countries). Many users believe that the abnormal battery drain is related to previous Samsung update.

Not long after receiving user reports, Samsung immediately checked and rolled out a new update in February 2021 (G99xBXXU1AUB6).

In the description, the company says the update is intended to improve overall performance, enhance security, and improve the camera. However, some users on XDA forum reported that the battery drain issue has been fixed after the update.

Currently, the new update is being released in advance for users in the UK, Switzerland, Germany and Belgium… other markets will receive the update soon in the coming days.

Of course, you can still actively check for an update by going to Settings - Software update - Download and install (download and install).

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