MTC Wireless Router WR1201 - 2,4 GHz wifi doesn't work after upgrade to 22.03.0

Hi,

upgrade to 22.03.0 went smooth, 5 Ghz wifi seems to run fine, but 2,4 GHz wifi doesn't work in AP mode. No SSID, no sign of life no matter config i change. logread shows MCU message timed out

Model MTC Wireless Router WR1201
Architecture MediaTek MT7621 ver:1 eco:3
Target Platform ramips/mt7621
Firmware Version OpenWrt 22.03.0 r19685-512e76967f / LuCI openwrt-22.03 branch git-22.245.77528-487e58a
Kernel Version 5.10.138
root@OpenWrt:~# logread
Sun Sep 11 12:53:04 2022 kern.err kernel: [32232.387357] mt76x2e 0000:02:00.0: MCU message 02 (seq 1) timed out
Sun Sep 11 12:53:04 2022 kern.info kernel: [32232.498672] mt76x2e 0000:02:00.0: Firmware Version: 0.0.00
Sun Sep 11 12:53:04 2022 kern.info kernel: [32232.509644] mt76x2e 0000:02:00.0: Build: 1
Sun Sep 11 12:53:04 2022 kern.info kernel: [32232.517871] mt76x2e 0000:02:00.0: Build Time: 201607111443____
Sun Sep 11 12:53:04 2022 kern.info kernel: [32232.533028] mt76x2e 0000:02:00.0: Firmware running!
Sun Sep 11 12:53:05 2022 kern.info kernel: [32232.557611] ieee80211 phy1: Hardware restart was requested
Sun Sep 11 12:53:06 2022 kern.err kernel: [32233.587360] mt76x2e 0000:02:00.0: MCU message 02 (seq 4) timed out
Sun Sep 11 12:53:06 2022 kern.info kernel: [32233.718733] mt76x2e 0000:02:00.0: Firmware Version: 0.0.00
Sun Sep 11 12:53:06 2022 kern.info kernel: [32233.729896] mt76x2e 0000:02:00.0: Build: 1
Sun Sep 11 12:53:06 2022 kern.info kernel: [32233.741056] mt76x2e 0000:02:00.0: Build Time: 201607111443____
Sun Sep 11 12:53:06 2022 kern.info kernel: [32233.758436] mt76x2e 0000:02:00.0: Firmware running!
Sun Sep 11 12:53:06 2022 kern.info kernel: [32233.780344] ieee80211 phy1: Hardware restart was requested
Sun Sep 11 12:53:07 2022 kern.err kernel: [32234.867336] mt76x2e 0000:02:00.0: MCU message 02 (seq 7) timed out
Sun Sep 11 12:53:07 2022 kern.info kernel: [32235.048640] mt76x2e 0000:02:00.0: Firmware Version: 0.0.00
Sun Sep 11 12:53:07 2022 kern.info kernel: [32235.059651] mt76x2e 0000:02:00.0: Build: 1
Sun Sep 11 12:53:07 2022 kern.info kernel: [32235.070792] mt76x2e 0000:02:00.0: Build Time: 201607111443____
Sun Sep 11 12:53:07 2022 kern.info kernel: [32235.085941] mt76x2e 0000:02:00.0: Firmware running!
Sun Sep 11 12:53:07 2022 kern.info kernel: [32235.107607] ieee80211 phy1: Hardware restart was requested
Sun Sep 11 12:53:08 2022 kern.err kernel: [32236.147333] mt76x2e 0000:02:00.0: MCU message 02 (seq 10) timed out
Sun Sep 11 12:53:08 2022 kern.info kernel: [32236.268663] mt76x2e 0000:02:00.0: Firmware Version: 0.0.00
Sun Sep 11 12:53:08 2022 kern.info kernel: [32236.279726] mt76x2e 0000:02:00.0: Build: 1
Sun Sep 11 12:53:08 2022 kern.info kernel: [32236.290882] mt76x2e 0000:02:00.0: Build Time: 201607111443____
Sun Sep 11 12:53:08 2022 kern.info kernel: [32236.308105] mt76x2e 0000:02:00.0: Firmware running!
Sun Sep 11 12:53:08 2022 kern.info kernel: [32236.330205] ieee80211 phy1: Hardware restart was requested
Sun Sep 11 12:53:09 2022 kern.err kernel: [32237.427261] mt76x2e 0000:02:00.0: MCU message 02 (seq 13) timed out

Upgrade from what?

Did you reset the settings during upgrade?

From 21.02.03

No, i kept my settings

I've the same problem on MTC Wireless Router WR1201.
Upgraded from 21.02.03 with keeping settings.