The 2.4 GHz wifi is unable to assign an IP address, nor did the static assignment of the IP address help.
In system log IP is assign DHCP:
Sun Feb 9 17:22:45 2020 daemon.info hostapd: wlan1: STA 70:4d:7b:80:40:46 IEEE 802.11: authenticated
Sun Feb 9 17:22:45 2020 daemon.info hostapd: wlan1: STA 70:4d:7b:80:40:46 IEEE 802.11: associated (aid 2)
Sun Feb 9 17:22:45 2020 daemon.notice hostapd: wlan1: AP-STA-CONNECTED 70:4d:7b:80:40:46
Sun Feb 9 17:22:45 2020 daemon.info hostapd: wlan1: STA 70:4d:7b:80:40:46 WPA: pairwise key handshake completed (RSN)
Sun Feb 9 17:23:22 2020 daemon.notice hostapd: wlan1: AP-STA-DISCONNECTED 70:4d:7b:80:40:46
IP is static
Sun Feb 9 17:48:46 2020 daemon.info hostapd: wlan1: STA 70:28:8b:ad:b7:07 IEEE 802.11: authenticated
Sun Feb 9 17:48:46 2020 daemon.info hostapd: wlan1: STA 70:28:8b:ad:b7:07 IEEE 802.11: associated (aid 2)
Sun Feb 9 17:48:46 2020 daemon.notice hostapd: wlan1: AP-STA-CONNECTED 70:28:8b:ad:b7:07
Sun Feb 9 17:48:46 2020 daemon.info hostapd: wlan1: STA 70:28:8b:ad:b7:07 WPA: pairwise key handshake completed (RSN)
In the "Status" "Associated Stations" is phone visible with the right IP, but not function.
In the phone the assignment IP cycle is repeated over and over.
It happens on all our phones.
Thank you in advance for advice on what to do.