Samsung Champ Secret Codes 4l6q3c

Hello fellow SB, I've found this Codes just yesterday, most of these codes open to Samsung champ. Maybe our fellow SB Masters could shed us some light on these codes. And maybe can solve about java memory issues and yahoo issues. Here are the codes: *#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 an d 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# ----------------- 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 countr ies) *#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# | *2767*3855#------------- Reset *#738277# ---------------- Auto Profile Setting (on/off) *#0206*8376263# ------ S / w Version, Dev.Version firmware, H / w Version Rev, t ime and Month and year flash *#0206*8378# ----------- Audio Settings [menu (2) H / W test] et [menu (2) Audio Settings