Issue 3G - 4G don't roam correctly

[Melqui]

I was in a shopping center with a bad 4G reception when device change to a 3G antenna. After, when I exit shopping center and go to another place with a very good 4G reception device doesn't change automatically to 4G. Restarting or turning off device don't solved the issue. I had to go to network options and change to 2G/3G option and after 2G/3G/4G again to solve!
Firmware 17.0240.2004.9
(Test performed with a S9+ on the side, perfect reception)

[Gustav_ASUS]

@Melqui Has this only happened once, or do you feel like you get bumped down to 3G a lot while other devices stay on 4G at the same spot?

[Melqui]

Gustav_ASUS

@Melqui Has this only happened once, or do you feel like you get bumped down to 3G a lot while other devices stay on 4G at the same spot?

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Once, in one place. But is a strange bug, (I went to that location only one time, maybe happen again if I went again)

[Melqui]

12GB/512GB Global