After installing the device in client mode, I closed the dhcp part. After that, the device does not receive an ip and I cannot connect to the interface.The reset button doesn't work either.
Can you SSH in to the router?
You should use standart tp-link method to restore router. It works in 99.99% cases, in your would also.
Install tftp server, download basic firmware, setup ip and start your device in restore mode.
not getting ip address.
How about via the IPv6 address?