Wi-Fi stopped working 21.0.1

Hi,

I upgraded to 21.0.1 a few days ago and everything worked no problem. Today for some reason, my wifi is showing as connected but I can't get any wifi to the internet with my phone.I have an exclamation logo on my wifi settings on my phone even though it says connected.

Anyone able to help as I dont know what i have done wrong.
TIA

root@LEDE:~# uci show wireless
wireless.radio0=wifi-device
wireless.radio0.type='mac80211'
wireless.radio0.channel='36'
wireless.radio0.hwmode='11a'
wireless.radio0.path='pci0000:01/0000:01:00.0/0000:02:00.0'
wireless.radio0.htmode='VHT80'
wireless.radio0.cell_density='0'
wireless.radio0.country='GB'
wireless.radio1=wifi-device
wireless.radio1.type='mac80211'
wireless.radio1.channel='11'
wireless.radio1.hwmode='11g'
wireless.radio1.path='pci0000:00/0000:00:0e.0'
wireless.radio1.cell_density='0'
wireless.radio1.country='GB'
wireless.radio1.htmode='HT40'
wireless.wifinet0=wifi-iface
wireless.wifinet0.device='radio1'
wireless.wifinet0.mode='ap'
wireless.wifinet0.ssid='OpenWrt'
wireless.wifinet0.encryption='psk'
wireless.wifinet0.key=''
wireless.wifinet0.network='lan'
wireless.wifinet1=wifi-iface
wireless.wifinet1.device='radio0'
wireless.wifinet1.mode='ap'
wireless.wifinet1.encryption='psk'
wireless.wifinet1.key=''
wireless.wifinet1.ssid='OpenWrtAC'
wireless.wifinet1.network='lan'

I found the problem, my phones dns was switched on - as soon as I switched it off... BINGO!!!

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