Battery draining issue after One UI 7 Update

Open Settings, then select Apps.
Tap More options (three vertical dots).
Choose Special access, then select Optimize battery usage.
Select the app you want to optimize. This will help reduce battery consumption by individual apps.
Adjust Background Usage Limits:

Go to Settings and select Battery and device care.
Tap Battery, then select Background usage limits.
Set the apps you wish to limit in the background to optimize battery life.
Check Charger Compatibility:

Ensure you're using a compatible, high-quality charger that is approved for your Galaxy device.
Avoid using an old or third-party charger, as this can impact charging performance.
Close unnecessary apps running in the background to save battery.
You can also enable Power Saving Mode to extend battery life.
Use Safe Mode:

Shut down your device and restart it.
When the Samsung logo appears, press and hold the Volume Down key until the lock screen appears.
Safe Mode will be displayed in the lower-left corner of the screen.
This will help determine if the issue is related to third-party apps.
Run a Diagnostic Test:

Open the Samsung Members app and tap Support.
Select View tests, then tap Test all to run a full diagnostic on your device.

If the issue persists after completing these steps, we recommend visiting your nearest service center for further assistance and to inquire about any associated costs. You can find the closest service center and explore your available options by using the following link: https://www.samsung.com/ae/support/service-center/.""
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