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A lot of people have seen this document on the newsgroups, but I did write this, and I'm now quite famous for it at Sprint PCS stores in the area.


This test mode can seriously mess up your phone and is meant only for the Samsung N300, the code is the same to get into the test mode but the codes for the test mode are different in every model phone.

I repeat again (because of someone blaming me for messing up their phone): This test mode can seriously mess up your phone, be careful!

To enter the test mode dial 47*869#1235
After pressing 5, the screen will blank and say TestMode (M)

Here's where the fun begins :)
I have not had time to figure out what everything means here, so please bear with me if something is not exact.

If the screen has something changable on it or reads off constant data, you will need to press # after modifying or viewing the data.(This will type a . instead of a #)

001 - Suspend
002 - Reboot
004 - Get Phone Mode
005 - Set Phone Mode (PCS, CDMA, AMPS, NONE)
011 - Carrier On (First time i tryed this it turned the phone off)
012 - Carrier Off
013 - Chan (Default: 0600)
014 - CDATA
015 - CdTk adj_ (default: 120)
016 - CDTxage_ (default: 300)
017 - TRK adj_ (default: 262)
018 - FM TXAge_ (Default: 000)
019 - LNA Gain (Default: 000)
020 - LNA RS
021 - SIO Mode
022 - Test_s
023 - Data svc on
024 - Data svc off
031 - MRU2 Table
032 - Send NAM
033 - Send S/W
034 - Send ESN
035 - Prod Info
037 - Reset (Dont do this unless you know what you are doing... I had to take my phone back to sprint to reprogram it!!!)
040 - PRD Info
041 - Backlight On
042 - Backlight Off
043 - Corner LED On (Red light only, cant figure out how to get the other colors)
044 - Corner LED Off
045 - Vibrator On
046 - Vibrator Off
047 - DTMF On (No clue what this does)
048 - DTMF Off
049 - Contrastr (Default: 25, equal to my contrast...  maybe?)
051 - Batt Type & IDV
052 - RD Batt Val 
053 - StbyBatt
054 - TalkBatt
055 - WRBatt
056 - Chrg_lvl
057 - Therm_vl
060 - Get RSSI
061 - P: -108.0dBm & RxRsM00111 (Not to sure what this is, but the RxRsM is changeable)
062 - P: -108.0dBm & RxRsA00062 (Same thing, RxRsA is changeable)
063 - P: -52.0dBm & TxRas16078 (Again... same)
064 - PCS: 25Ch & TxChF00285 (Guess what, its the same)
065 - -30`C00 & PCS LMT:0940 (No Clue)
066 - -30`C00 & PCS Temp:000 (No Clue)
067 - No Idea, it locked up the phone
068 - No Idea, it locked up the phone
069 - O? R?
085 - PCT RDCT: 081
086 - RVC On
087 - RVC Off
091 - GPS MODE App
092 - GPS Start On
093 - GPS Last App
094 - GPS Accu
095 - GPS Lock
096 - GPS No SA
097 - No Idea, it locked up the phone
098 - GPS_Loss (Default: 0)
099 - D_GPS (Default: 00271)
100 - D_CDMA (Default: 00000)
121 - Displays 46 Ahead!! then TxLmt: 12672
122 - PCM Loop on
123 - PCM Loop Off
124 - Multiple choice menu... I'm not gonna type it
125 - Multiple choice menu... I'm not gonna type it
131 - Get PCS Dat1
132 - Get PCS Dat2
133 - Get PCS Dat3
134 - Get CDMADat1
135 - Get CDMADat2
136 - Get CDMADat3
137 - Get AMPSData
138 - Get AudData1
139 - Get AudData2
140 - Get AudData3

I tried through 200, but nothing else gave a screen.

Once you are done, you need to either take out the battery or press 002 (reboot) to get back to normal operation.

So If you have any idea of what some of these things are, post below, I'd really like to see if someone gets the GPS working, even if its just readable from the debug screen.
It seems that the MSL is the code to get into the phone service menu and the web menu.

To access the service menu type ##(your MSL), and it will take you there.

The service menu explained:

1. Phone #:
    Phone Number  - Your phone number
    MSIN          - Your phone number
2. General:
    ESN          - Same as on the back of the phone
    CAI Revision  - Common Air Interface
    Origination   - Choice between 13k and EVRC (Codecs for calls)
    SCM           - Single Carrier Modulation
    Lock Code     - The lock code to access security menu
    Slot Mode     - Yes or No Choice, No Clue what for
    Slot Index    - Changes how often your phone contacts the tower for updates.
3. NAM
    Home SID      - System ID
    Home NID      - Network ID
    MCC           - Mobile Country Code
    MNC           - Mobile Network Code
    ACCOLC        - Access Overload code - 
                     WARNING! DO NOT SET ABOVE 9, IT IS ILLEGAL!!
                     1-6 Normal use
                     7-9 Doctors and other Emergency personnel 
                     10-15 government only!
    Home SYS Reg  - No Clue
    FSID Reg      - Yes or No choice, Foreign System ID
    FNID Reg      - Yes or No choice, Foreign Network ID

Now for the ##932 menu:
It turns out to be settings for the browser gateway.
The three sub menus are the same
1. Gateway 1
2. Gateway 2
3. Gateway 3

Each of them have this in them:
Gateway (#)
A208. 18.146. 75
B208. 18.146.139
C 0. 0. 0. 0

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