@oak-leaves Hello!
As far as I know, it is necessary to leave the Wi-Fi visible, even in the Wiki contains the information "Check that your WiFi is in discovery mode":
https://github.com/recalbox/recalbox-os/wiki/debug-wifi-(EN)
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Connecting to WIFI network with hidden SSID - how?
Recalbox General • 1 Feb 2019, 03:59 • Oak-Leaves 2 Feb 2019, 19:57 -
Wifi impossible si SSID non diffusé et filtrage MAC
Recalbox Général • 20 Feb 2018, 10:37 • Mitchou 21 Feb 2018, 11:09 -
Wifi with Hidden SSID?
Recalbox General • 23 Jan 2018, 16:30 • Benoit bgl 24 Jan 2018, 07:40 -
hidden Wifi SSID
Recalbox General • 24 Jul 2016, 11:21 • soyde 13 Jan 2018, 10:08 -
[Résolu]Pb underscore SSID wifi
Recalbox Général • 2 Sept 2015, 23:08 • shinoo 3 Sept 2015, 09:05 -
Un wifi qui marche avec un SSID avec un underscore
Recalbox Général • 28 Jun 2015, 16:30 • sebastien-piconnier 28 Jun 2015, 16:30