Thanks for sharing your experience. It’s not unusual for phones to show faster battery drain right after a new update like the August 2025 security patch. A few things to keep in mind:
1. Post-Update Optimization
After an update, the system re-indexes files and optimizes apps in the background for 1–2 days. During this time, battery drain may appear higher than usual.
2. Check App Behavior
Go to Settings > Battery and device care > Battery > Usage and see which apps are using the most power.
Some apps may not yet be fully optimized for the new patch—updating them from the Galaxy Store/Play Store often helps.
3. Wipe Cache Partition (Safe Step, No Data Loss)
Turn off the phone.
Hold Power + Volume Up until the Samsung logo appears.
Use the volume keys to select Wipe cache partition > confirm with Power.
This clears old temporary files that can affect performance after updates.
4. Optimize Settings
Enable Adaptive Battery in settings.
Restrict background activity for apps you don’t need running all the time.
Turn off 5G, Always-On Display, Location, or Bluetooth if not in use.
5. Diagnostics
Open Samsung Members app > Support > Phone diagnostics > Battery status to see if the battery is working normally.
6. If Issue Persists
If the drain continues even after a few days and optimization steps, it may be a software bug in the August patch. In that case, reporting it via Samsung Members (“Error reports” under Support) will help Samsung push a fix.
👉 In most cases, the drain settles down after 2–3 full charge cycles once the phone finishes post-update optimizations. If it doesn’t, the cache clear + app updates usually fix it.
To assist you further, follow these steps: 1. Settings > Software update > Download and install > Download > Install now. 2. Go to the Settings => select Device Care =>Optimize now. 3.Force restart by pressing “volume down key + power” button until the device reboot. After reboot below action. 4. Settings – Apps - One UI Home – Storage - Clear data. 5. Run a diagnosis test via Member app : Download Samsung member app from Galaxy store then open the app => diagnosis => Phone diagnosis.
Kindly make sure to follow these tips : 1. Use an Approved Charger. 2. Avoid Old Chargers. 3. Close Background Apps. 4. Enable Power Saving Mode (Device Care > Battery > Power Mode > Adaptive Power Saving). 5.Turn off the Wi-Fi, GPS, and Bluetooth functions when not in use. 6.In addition, reduce the screen brightness of your device.
If the issue persists, please visit a service center for further assistance. You can locate your nearest service center using the link below: https://www.samsung.com/ae/support/service-cent
