S688 - # * 301 # 2002 # send - with SIM
menu:
7 - 10 - ok,

# * 8000 # # * 3676 # (reboot repair)

V09, S1180 - *, 3 times down, 3 times up - service menu

FLY BIRD
688 - # * 301 # 02 # zel.trubka then # * 8000 # and # * 3676 # (to do with sim)
And here are a few (may be repeated):

Fly Bird S688 - # * 301 # 2002 # send - with SIM
menu:
7 - 10 - ok,

# * 8000 # # * 3676 # (reboot repair)
V09, S1180 - *, 3 times down, 3 times up - service menu

Fly v688-# * 301 # 02 or # * 8000 #, then # * 3676 #
on "formatting" wait 10 seconds to twist the battery, and OK