Facing problem after software installation

[amithgowda]

After i installed september security petch software update of nearabout 561 mb in my galaxy a51 device These problems happen with me which is also happening with the other peoples.

 1. Phone restart automatically 

 2. Battery draining issue 

 3. Sound not comes there is problem in Device sound 

4. Mobile phone completely freeze and completely not working

 These are the issues that we are facing after updated our phone. I hope samsung fix this issue as soon as possible. 

[zzzzzzzzzzzzzzzzzz]

Factory reset your phone

[Pratheesh123]

I too raised a query about this

[Samsung_Support2]

Dear Samsung Member,

Greetings from Samsung Customer Support!

We acknowledge your query and apologize for the same. To resolve your device battery drain issue please visit this link: https://www.samsung.com/in/support/mobile-devices/how-can-i-optimise-and-extend-the-battery-life-on-...

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

Thank you for writing to Samsung.
  
Warm Regards,
Samsung Customer Support

[SrajTech]

https://youtu.be/5z-3Nc3a1Rk
Watch this video and send mail as instructed