This new update is trash.

[Migs510]

It messed up my bluetooth and WiFi. Don't even know how it happened since my phone only had 40% when the update happened. Samsung need to fix this ASAP!!! 

[Mujibar]

Clear the device cache:

1) Turn off your device.

[Your device may need to be connected to a powered USB device (ex: computer) before proceeding to the next step.]

2) Press and hold the Volume Up button and the Side/Power button until you feel a vibration and the Samsung logo appears. Let go of the buttons.

3) You will now be in Android recovery. Use the Volume buttons to highlight "Wipe cache partition."

4) Press the Side/Power button to execute.

5) Use the Volume buttons to highlight "Yes."

6) Press the Side/Power button to execute.

7) "Reboot system now" will already be highlighted. Press the Side/Power button to execute.

[Migs510]

I just did it, and I'm still having the same issues

[Mujibar]

Reset WiFi and BT settings under settings > general management > reset. You'll have to re-enter any WiFi credentials and reconnect BT devices.

[BBtwinz]

Agree this new update is horrible. I don't like the new style I tried to change it back and that's not an option. I can no longer navigate my apps drawer to swipe left and right if I do that they're out of alphabetical order. When I try to use the clean up the pages it never puts them back in the alphabetical order. The icons on the top status bar are horrible.

[Mujibar]

See this post for some tips:

https://us.community.samsung.com/t5/Samsung-Apps-and-Services/A-list-of-features-that-can-be-changed...

[Robin621k]

This will be fixed in Ui8 with the help of Good Lock and the HomeUp module. You can go to my post that @Muji has linked to, and at the very bottom there is an easy way to get alphabetical pages back with a little work depending on how many apps you have.

[foreverSTONER]

Really