Installing OpenWrt 23.05 on the TP-Link ER605v2?

been able to ssh into, but command are very limited:

@192.168.0.1's password:

h

Commands available:
help Show available commands
exit Exit from current mode
enable Turn on privileged commands
disable Turn off privileged commands

enable

#ls
Error: Invalid command "ls"

#h

Commands available:
help Show available commands
exit Exit from current mode
enable Turn on privileged commands
disable Turn off privileged commands
configure Enter configuration mode
show system-info Display system information.
show history Display command history.
show interface switchport Display interface switch port information.
show interface vlan Display interface VLAN information.
show arp Display ARP entry information.
show ikev1 policy Display ikev1 module entry information.
show ikev2 policy Display ikev2 module entry information.
show transform-set Display transform-set module entry information.
show crypto map Display map module entry information.
show crypto ipsec sa Display the SA information of the established IPSec.
show all ikev1 policy Display all ikev1 module entry information.
show all ikev2 policy Display all ikev2 module entry information.
show all transform-set Display all transform-set module entry information.
show all crypto map Display all map module entry information.
show ip rip Display RIP interface information.
show ip ospf Display ospf information.
show ip ospf database Display the database information of OSPF.
show ip ospf neighbor Display OSPF neighbor table information.
show ip ospf interface Display the interface information of OSPF.
show ip route static Display entry information of static IP route.
show ip http configuration Display http configuration.
show network Display OSPF network information.
show nat virtual-server Display the entry information of NAT virtual-server.
show nat one-to-one Display the entry information of one-to-one NAT.
show nat alg Display the entry information of NAT ALG.
show snmp-server Display SNMP server configuration.
show ssh configuration Display SSH configuration information.
ping Ping ip address.
tracert traceroute ip address.
clear history Clear previously run commands.
reboot Reboot device.

#show system-info
System Description - Omada Gigabit VPN Router
System Name - ER605
Contact Information - www.tp-link.com
Hardware Version - ER605 v2.0
Firmware Version - 2.1.2 Build 20230210 Rel.62992
Mac Address - XX-XX-XX-XX-XX-XX
System Time - 2018-01-01 00:11:42
Running Time - 0 day - 0 hour - 13 min - 2 sec