I'm also now having the same issue since the April update but only on my home wifi not work or any other networks. My z2 and about 6 other phones are all fine on my home wifi just not my Sony Xperia XZ Premium since the April update? Could it be a 2.4 or 5 GHz issue or something else Router related? It is trying to connect to home on 5 GHz wpa2 psk, but not sure how to get it to use 2.4. Just as I'm typing it did eventually connect to 5 GHz! Any and all suggestions welcomed!
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