Issue after One UI 4.0

[AYush2313]

1. After One UI 4.0 update who's facing Flat bass on Dolby atmos except ( voice) On S20 

2. Lagging issue on launching app

3. Battery Drain unusually 

4. Calling issue and slow wifi speed issue

5. Keyboard send option is not showing .

[YashAgarwal]

Reset your phone than use samsung galaxy booster app

[AYush2313]

Not everytime Galaxy app booster will help and i have tried hard reset and app booster also

[AlenSony소니알렌]

These issues
Especially
That audio bug will fix soon
Don't worry
Already reports are testing

And Pls Send and Error reports with log enabled
So dev can analyze better

[AYush2313]

Already sent all log files for but need battery drain fixed

[Abs8]

I am too facing All of the above. Slow app launch, slow WiFi, jitters in quick panel

[AYush2313]

Yes wait for January patch

[Anonymous]

Below, you can check the steps to boot your Samsung phone in Safe Mode. And if you feel that your device is working fine in Safe Mode, this means the lagging issue occurs because of applications or malware loaded on your smartphone.Step 1:
Booting your device in Safe Mode will disable any 3rd party applications and purely run off the standard Android OS. This is to determine if there are any applications causing interference with the performance of your device.

Restart your device.

Hold down the Volume Down key as soon as you seem the Samsung Logo until the phone is fully loaded.

Once your device has loaded you should see Safe Mode at the bottom of your device.

Navigate throughout the device to check to see for any performance improvements.

If there is no difference in the sluggish/laggy performance of your device, please proceed to the next step.
Step 2:

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You can now perform a Factory Data Reset on your device. However, do remember that this will remove “ALL DATA” from your device and bring it back to its default Factory Settings.

Tap on Apps

Go to Settings

Find and tap on Backup and reset

Tap on Factory data reset

(If you have phone security enabled, you may need to enter your passwords in order to proceed to the next step.)

Follow the prompts until your device reboots to commence with the Factory Data Reset.

After your device has fully loaded, please check to see if there has been an improvement in the performance of your device. If the issue persists, this may be due to the corruption of the firmware or there may be an issue with the device itself.

[AYush2313]

Everyone facing same issue after OneUI 4 update so this won't work and i have tried all Got new software from service centre still facing all

[cs-member13]

Dear Samsung member,

Greetings from Samsung customer support.

Thank you for sharing your concern. We acknowledge your query and apologize for the same. And please follow the easy troubleshooting steps which might help to solve the issue.
Check space availability:

Is there sufficient space available on your device?
Kindly check the space on your device:
Path: Settings > Device Care >Storage

To improve the device performance there should be sufficient space. Request you to keep at least a ''minimum 20% internal memory free''.

Kindly check RAM in your device:-
Path: Settings>Device care>Memory.

To improve the performance RAM of the device should be free. So, clear the RAM memory once a day.
Check app cache
Does the device hang while accessing any particular Application/Game etc?

Please follow the below steps
1- Clear app cache through Device care:

Step1: Navigate to the app's screen and tap on Settings.
Step2: Tap on Device care.
Step3: Tap on Storage.
Step4: Tap on CLEAN NOW.

In case the issue still occurs. Please register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Ask question).

Thank you for writing to Samsung.
Warm regard,
Samsung customer support