Enable light performance mode on Galaxy Devices

In the Q3 of 2022, we saw Samsung unveiling the Galaxy Z series along with the new One Ui 4.1.1. The new One UI brings quite a few features to the foldable along with a new light performance mode. the light performance mode cuts down the resource-hogging processes and services while at the same time, it also limits CPU usage. The best part is that this doesn’t affect the actual performance of the phone so, don’t worry your phone will not start to lag or stutter. If you want to try the light performance mode, you don’t need to buy the super expensive fold series smartphone. Instead, with the help of this tutorial, you will learn How to enable Light Performance Mode on any Galaxy device that is running One UI 4.1.1 and above.

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We saw a total of 20% drop in the geekbench scores while the real-time usage was mostly the same. Also, as of now, only the Galaxy S22 series has got the One UI 5 update and you can try this method. We are expecting a bunch of smartphones to get One UI 5 in the month of November and December.

Table of Contents

How to enable Light Performance Mode on any Galaxy Device

Make sure that you have set up the ADB on your windows computer if not then you can download and set it from the link.
once you have set up ADB and platform tools open the folder and type CMD in the address bar.
Now on your Galaxy device enable developer options by going to Settings >> About phone >> Software information >> Tap 7 times on the build number and enter your phone’s unlock pin.
Now go back to the settings and scroll down to open Developer options.
Inside the developer options scroll down and enable USB Debugging. You can also search for USB debugging inside the settings.
Once you have enabled USB Debugging you need to connect your phone to your laptop via a USB cable.
After connecting your phone to your computer, type the following command on your computer.
```
adb devices
```
If this is the first time, then your phone will prompt you to allow USB debugging access to the computer, so make sure to tap on allow for this computer once you have entered the above command. On a successful connection, you should see the device ID of your phone in the command prompt window.
Now, to Enable light performance mode from the Galaxy Z Fold 4 to your galaxy device type the below command

 adb shell settings put global sem_low_heat_mode 1

Now, this isn’t the official way to enable so, you won’t see a toggle of enabling the light performance mode just like you get on the Fold 4. Rather you can check and confirm if the light performance mode on your Galaxy device is enabled or not by typing the below command.
```
adb shell settings get global sem_low_heat_mode
```
The above command should return the output as 1. So, 1 means true and 0 means false, which states that the light performance mode has been enabled on your galaxy device.

Disable Light Performance Mode on Your Galaxy Device

To disable the light performance mode and switch to the optimized performance mode on your Galaxy device, simply follow through the above tutorial from step 1 to step 10 and then type the below command.
```
adb shell settings get global sem_low_heat_mode 0
```
Now, to verify if your phone is back to optimized performance mode or not you can type the below command.
```
adb shellsettings get global sem_low_heat_mode
```
This will return the value as 0 which means that the light performance mode has been disabled on your Galaxy Device.

Enable Light Performance Mode without ADB

Alternatively, you can also use the setedit app from Playstore to enable and disable the light performance mode on your galaxy device without using the computer. Just follow through with the tutorial below.

Download the Setedit app from the Play store on your Galaxy Device.
Now, open the app and you will have to connect your phone to your computer via ADB only once to grant permission to edit the registry values.
Make sure that you have set up the ADB on your windows computer if not then you can download and set it from the link.
once you have set up ADB and platform tools open the folder and type CMD in the address bar.
Now on your Galaxy device enable developer options by going to Settings >> About phone >> Software information >> Tap 7 times on the build number and enter your phone’s unlock pin.
Now go back to the settings and scroll down to open Developer options.
Inside the developer, options scroll down and enable USB Debugging. You can also search for USB debugging inside the settings.
Once you have enabled USB Debugging you need to connect your phone to your laptop via a USB cable.
After connecting your phone to your computer, type the following command on your computer.
```
adb devices
```
If this is the first time, then your phone will prompt you to allow USB debugging access to the computer, so make sure to tap on allow for this computer once you have entered the above command. On a successful connection, you should see the device ID of your phone in the command prompt window.

Now type the below command on the command prompt window

pm grant by4a.setedit22 android.permissions.WRITE_SECURE_SETTINGS

That’s it, now you can disconnect your phone and open the setedit app on your phone.
Inside the phone open the global table and add the line – “sem_low_heat_mode” “1” anywhere in the table.
That’s it, you have successfully enabled the light performance mode on your Galaxy device.
Now to disable the light performance mode go to the table and change the value from 1 to 0.

Conclusion

So, this was a detailed guide on how to enable light performance mode on any galaxy device that is running One UI 4.1 and above. We are expecting Samsung to roll out this feature officially in the coming months, but until then you can use the above method to enable the light performance mode on your Galaxy device to save some battery. This can be helpful for those who don’t require much CPU power throughout the day and they can save some battery.