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The problem started about 10 days ago (10/01/2019) after some changes were made to the Walmart in-store WiFi configuration. Since then I can't connect to the in-store WiFi from my LTE ZTE Maven Z812 smartphone. The phone seems fine, connects to all other networks. Other phones also connect just fine to Walmart in-store WiFi network. But when I try to connect to Walmart WiFi with Z812 I get an error WiFi connection failed and no IP address. Resetting adapter, forgetting network, and rebooting phone did not help. I noticed that the store recently split 2.4 GHz and 5 GHz access points, there are different ESSIDs for them (Walmartwifi 2.4 and Walmartwifi). The Z812 does not see the 5 GHz AP, but sees 2.4 GHz just fine. I tried connecting to 2.4 GHz AP from another smartphone and it works just fine. Any ideas what might be wrong? Is Walmart blocking certain models/manufacturers from using in-store WiFi? Anyone else experiencing problems connecting to 2.4 GHz AP at Walmart? Thanks.

Additional info: I don't think it is MAC filtering. It feels like something is broken in the IP negotiation process, but I don't understand why this specific phone and this specific network.

migrated from superuser.com Oct 9 at 19:44

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    Blocking on Wifi level can only wok on base of the MAC address of the Wifi chip. Before Android 8 the MAC address was static for each device, therefore blocking would be possible, however since Android 8 for privacy reasons Android should use MAC Randomization (depends on manufacturer if enabled or not). – Robert Oct 10 at 7:07
  • Please use this link to regain access to your account by merging them. – Firelord Oct 12 at 7:37

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