HC-05 firmware 2.0-20161226

Module HC-05. Firmwares for the 2.0-20161226. Name H-C-2010-06-01. Did the link Connecting 2 Arduinos by Bluetooth using a HC-05 and a HC-06: Pair, Bind, and Link | Martyn Currey
Only both modules - this is HC-05. Module slave - OK, I see it on the android phone, responds to commands. Module Master problem. Served AT commands: AT + RMAAD
AT + ROLE = 1
AT + RESET
AT + CMODE = 0
AT + INQM = 0.5.9
AT + INIT (error 17)
AT + INC (error 1F).
I found no data on this firmware. Tell me please.

RIGHT:
AT+PSWD="2222" (with quotes)
PIN:"2222"
OK

RIGHT:

AT+ORGL
AT+RMAAD
AT+CMODE=1
AT+ROLE=1
AT+RESET
OFF 3,3V PIN34/ ON 3,3V PIN34
report: INQ:21:13:EA11
AT+PAIR=21,13,00EA11,9 (Required 00, otherwise it does not work.)
OK
sometimes shows the name of the slave. RNAME: hc-O5.........
led - two flashes and 5 seconds dark
AT+STATE
CONNECTED
AT+BIND=21,13,00EA11
OK
AT+STATE
CONNECTED
AT+CMODE=0
OK
AT+LINK=21,13,00EA11
ERROR (0)
AT+STATE
CONNECTED

LINK-does not work. When enabled in the operating mode, the modules are synchronized at once, the commands are passed. When you replace a slave with another module, the master does not see it, when you return the previous module - it immediately picks up.

Thoughts? How to connect "LINK"?