A51 battery problem hanging problem slow phone

[Aasif9690]

Phone battery drain fast 

[GalaxyA51user]

Use stable network for updating over OTA because you can avoid file corruption or use Smart Switch PC to download whole firmware and flash automatically. 

[yogesh5647]

I havent updated my A51 yet because of this issues
Should i wait or use smart switch to update

[GalaxyA51user]

Use Smart Switch, it's better than OTA.

[Samsung_Support2]

Dear Samsung Member,

Greetings from Samsung Customer Support!
 
We acknowledge your query and apologize for the same. To resolve your device slowing down issue please visit this link: https://www.samsung.com/in/support/mobile-devices/why-is-my-phone-slowing-down-and-how-can-i-speed-i...

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