*#0*#   _lcd tests

*#52828378#_ java test menu

*#0206*8378#  _test mode

*2767*3855#  _restart mexsierebis..telesi-რესტარტი მეხსიერების ტელეფონის

*#06# Show IMEI

*2767*2878#The mobile phone restarts 

*2767*3855#Default password for samsung c3303k

If you want to unlock your phone put a sim from another company then type *#9998*3323# it will reset your phone. Push exit and then push 7,
it will reset again. Put your other sim in and it will say sim lock, type in 00000000 then it should be unlocked. Type in *0141# then
the green call batton and it's unlocked to all networks. This code may not work on the older phones and some of the newer phones. If it doesn't work you will have to reset your phone without a sim in it by typing *#2767*2878# or *#9998*3855# (not tested)*#06# --------------------- imei
*#1111# ------------------ S/w Version
*#1234# ------------------ Dev.Version firmware
*#2222# ------------------ H/w Version Rev
*#0206*8376263# ------ S/w Version ,Dev.Version firmware,H/w Version Rev,time and Month and
year flash

*#0206*8378# ---------- Test Mode
*#4777*8665# ---------- GPRS Tool
*#0206*523# ------------ brightness of the display of 1-5
*#7465625# -------------- Interrogate - indication locks
*#0206*377# ------------ Error -- Table errors
*#0206*327# ------------ EEP(01/10)
*#0206*667# ------------ Debug mode
*#92782# ----------------- User agent (samsung-Sgh-G600/G600XEGH3)
*#232337# --------------- bluetooth addrnap uap lap
*#28837# ----------------- S/w Version BT and H/w Version BT
*#288378# --------------- Bluetooth Test
*#56658378# ------------ Look Test (Bomba code in a well-meaning words)
*#638738# --------------- Profiles Gprs- Inet settings (choice of various countries)
*#36245# ----------------- Test Mode (e-mail, mms, etc.)
*#0206*3768665# ------ DRM Tool (java, etc.)
*#777324# --------------- PPP TEST Menu
*#0673# ------------------ Mp3 Test Menu
*#0206*6366# ---------- Memo test
*#4378378# ------------- Gfs test
*#7378378# ------------- RESours Test
*#688# -------------------- Vod Test
*#64898378# ------------ NITZ test mode
*#898378# --------------- Timezone test mode
*#875108# --------------- FM Radio- speaker volume 1-10
*#52828378# ------------ Java Test Menu
*#73887# ----------------- Setup Wizardoff/on)
*#2769737# -------------- Browser Test Menu
*2767*8451# ------------- Reset
*#738277# ---------------- Auto Profile Setting (on/off)
*#0206*8376263# ------ S / w Version, Dev.Version firmware, H / w Version Rev, time and Month and
year flash
*#0206*8378# ----------- Audio Settings [menu (2) H / W test] et [menu (2) Audio Setting
i have lot of codes but only few works i didnt check all codes as yet but i have checked somes codes