1)*#300# OK List the Software and Hard ware version
2)*#301# OK Full Keypads functional Test
3)*#307# OK Engineering Test Mode
4)*#402# OK Adjust Display Intensity/ Contrast
5)*#403# OK List the Manufacturing Informations
6)1998 0722OKMaster Unlock code for Phone and Sim Lock
7)*#302# OK Acoustic test*
1. Greeting
2. Main VlmGain
3. Input Cal
4. Output Cal
5. Side In Gain
6. Vox Gain
7. Min Mic Engy
8. More
(a) In vlm Gain
(b) Aux Vlm Gain
(c) Silence Prd
(d) Supp Prd
(e) In Volume
(f) Out Volume
(g) Icon
(h) Image
(i) Animation
8)#303# OK Settings Saved*
9)#400# OK ADC, Cal val*...