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by miahi 2071 days ago
The 2.4GHz band is saturated (in an apartment building you'll see tens of networks, there's no free channel even if you want to optimize. And there are not many 5GHz-capable devices or they have the 5GHz band disabled (not sure why - I found this also whilst renting/airbnb in other countries, the wifi was bad but the old "admin/admin" login worked on the router, so we could switch it to 5GHz).

And yes, the install teams are outsourced and the quality varies wildly.