No change after switch on power saving mode ......

[ŠøųvïƙŞãmŠųğĐəvïĺFąŋ]

As you see on the post that while switching on or off of power saving mode, there is no change in battery life duration.

Why is it a software issue or something else? I didn't figure it out ... .. help me with your valuable feedback and response 

[BiRdMaN]

Yes, many users have reported experiencing similar problems. This can be due to the phone re-optimizing itself after the update or apps needing to be optimized for the new firmware.
Add apps to the "deep sleep" list to prevent them from running in the background and draining battery.

Clear app cache to remove temporary data that can impact performance and battery usage.
Resetting battery statistics can sometimes help.

Adjust background usage limits in Settings > Battery and device care > Battery > Background usage limits.

Choose options like "Put unused apps to sleep" or "Sleeping apps" to restrict background activity.

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[ŠøųvïƙŞãmŠųğĐəvïĺFąŋ]

It means there is no use of power saving mode

[Rochitd14]

Change will only show if you enable other options like limit cpu to 70%.
These option are by default enabled to give maximum battery life, but in your case you have disabled them. Only turning off aod will not do any change. At least enable limit cpu usage or decrease brightness.

[ŠøųvïƙŞãmŠųğĐəvïĺFąŋ]

That I know, but this is not a massive change

[vrushabh__6]

My buletooth will be unpaired to paired in Samsung galaxy f15

[ŠøųvïƙŞãmŠųğĐəvïĺFąŋ]

Reset your settings it may work.

Go to settings, then General management, scrol down u wl C reset option, then click on that u wl get options, then click rest settings, click reset wifi & Bluetooth settings

[SatsangiDevan]

It's not samsung galaxy now it's bugs galaxy