Cześć,
zrobiłem aktualizacje z LUCI do nowej wersji
luci-21.02-snapshot-r16470-6eced97ce4-ramips-mt7621-netgear_r6220-squashfs-sysupgrade.bin

No i WiFi się mi posypało
Fri Jan 28 16:00:12 2022 daemon.notice hostapd: Configuration file: /var/run/hostapd-phy1.conf (phy wlan1) --> new PHY
Fri Jan 28 16:00:12 2022 daemon.err hostapd: Line 43: unknown configuration item 'eap_server'
Fri Jan 28 16:00:12 2022 daemon.err hostapd: Line 44: unknown configuration item 'wps_state'
Fri Jan 28 16:00:12 2022 daemon.err hostapd: Line 45: unknown configuration item 'device_type'
Fri Jan 28 16:00:12 2022 daemon.err hostapd: Line 46: unknown configuration item 'device_name'
Fri Jan 28 16:00:12 2022 daemon.err hostapd: Line 47: unknown configuration item 'manufacturer'
Fri Jan 28 16:00:12 2022 daemon.err hostapd: Line 48: unknown configuration item 'config_methods'
Fri Jan 28 16:00:12 2022 daemon.err hostapd: Line 49: unknown configuration item 'wps_independent'
Fri Jan 28 16:00:12 2022 daemon.err hostapd: 7 errors found in configuration file '/var/run/hostapd-phy1.conf'
Fri Jan 28 16:00:12 2022 daemon.err hostapd: Failed to set up interface with /var/run/hostapd-phy1.conf
Fri Jan 28 16:00:12 2022 daemon.notice netifd: radio1 (5682): Command failed: Invalid argument
Fri Jan 28 16:00:12 2022 daemon.notice netifd: radio1 (5682): Device setup failed: HOSTAPD_START_FAILED
Fri Jan 28 16:00:12 2022 daemon.notice hostapd: Configuration file: /var/run/hostapd-phy0.conf (phy wlan0) --> new PHY
Fri Jan 28 16:00:12 2022 daemon.err hostapd: Line 38: unknown configuration item 'eap_server'
Fri Jan 28 16:00:12 2022 daemon.err hostapd: Line 39: unknown configuration item 'wps_state'
Fri Jan 28 16:00:12 2022 daemon.err hostapd: Line 40: unknown configuration item 'device_type'
Fri Jan 28 16:00:12 2022 daemon.err hostapd: Line 41: unknown configuration item 'device_name'
Fri Jan 28 16:00:12 2022 daemon.err hostapd: Line 42: unknown configuration item 'manufacturer'
Fri Jan 28 16:00:12 2022 daemon.err hostapd: Line 43: unknown configuration item 'config_methods'
Fri Jan 28 16:00:12 2022 daemon.err hostapd: Line 44: unknown configuration item 'wps_independent'
Fri Jan 28 16:00:12 2022 daemon.err hostapd: 7 errors found in configuration file '/var/run/hostapd-phy0.conf'
Fri Jan 28 16:00:12 2022 daemon.err hostapd: Failed to set up interface with /var/run/hostapd-phy0.conf
Fri Jan 28 16:00:12 2022 daemon.notice netifd: radio0 (5681): Command failed: Invalid argument
Fri Jan 28 16:00:12 2022 daemon.notice netifd: radio0 (5681): Device setup failed: HOSTAPD_START_FAILED

Wróciłem do starej ale trzeba było zrobić z -n
i Od nowa ustawić.