I have a Galaxy A52 5G, no matter what I try to do it never connects to the 5GHz Wi-Fi network at my house. It connects to the 2.4GHz Wi-Fi network with no issues. I tried resetting the network settings, resetting the router, I even reset my phone to factory settings once yet the problem still persists. My almost 3 years old Huawei P30 Lite phone and my 4 years old Galaxy Note 8 phone have no connectivity issues with the 5GHz Wi-Fi network. It's a brand new phone, I do not understand how this could be happening. Can anyone assist me in solving this issue?
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just noting... 5ghz is very easily disturbed by obstacles between the phone and the router. so if you are not in a clear sight (or almost clear) of the router it'll significantly drop the signal strength and resolve to 2.4ghz.
that being said if you haven't checked already, check that you are or aren't able to get 5ghz connection near the router (also the router should be in an open space as much as possible, not in a corner somewhere).
if you are able to get 5Ghz connection near the router, then you probably have weak connection elsewhere in your place and could benefit from signal extender/booster.
Also, if you feel like the phone's wifi antennae is underperforming, try having it diagnosed by UBreakIFix repaircenter.
Or submit an error report using Samsung Members app after trying to get 5Ghz connection in different areas of your place