The reset-configuration problem has been fixed in RouterOS v5.22 and RouterOS v6rc6. Default config is like this (to help you reconfigure):
Wireless Configuration:
mode: ap-bridge;
band: 2ghz-b/g/n;
frequency: 2412;
ht-chains: two;
ht-extension: 20/40mhz-ht-above;
WAN (gateway) Configuration:
gateway: sfp1 ether1 (renamed with extension ‘-gateway’);
firewall: enabled;
NAT: enabled;
DHCP Client: enabled;
LAN Configuration:
LAN Port: bridge-local;
switch group: ether6 (master), ether7, ether8, ether9, ether10
(renamed with extensions ‘-master-local’ and ‘-slave-local’)
LAN IP: 192.168.88.1;
DHCP Server: enabled;
[admin@MikroTik] > /interface wireless print
Flags: X - disabled, R - running
0 name=“wlan1” mtu=1500 mac-address=00:0C:42:00:89:F5 arp=enabled
interface-type=Atheros AR9300 mode=ap-bridge ssid=“MikroTik”
frequency=2412 band=2ghz-b/g/n channel-width=20/40mhz-ht-above
scan-list=default wireless-protocol=any wds-mode=disabled
wds-default-bridge=none wds-ignore-ssid=no bridge-mode=enabled
default-authentication=yes default-forwarding=yes default-ap-tx-limit=0
default-client-tx-limit=0 hide-ssid=no security-profile=default
compression=no