Gingerbread Modem Testing Thread

This is a discussion on Gingerbread Modem Testing Thread within the Samsung Captivate Hacking forums, part of the Samsung Captivate category; Call it morbid curiosity to see if there is one Captivate Radio/Modem that will universally work well in all areas. Hopefully you folks will contribute ...

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Thread: Gingerbread Modem Testing Thread

  1. #1
    Senior Member Johnnie5000's Avatar
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    Gingerbread Modem Testing Thread

    Call it morbid curiosity to see if there is one Captivate Radio/Modem that will universally work well in all areas. Hopefully you folks will contribute to this. Please test at least 3 of the modems and post your results in dBm/asu form with the area you tested in. I'm sure test results will vary greatly throughout different regions of the country.


    Downtown Chattanooga, TN (urban/metro)
    jvo: -77dBm ~ 16asu
    jp9: -95dBm ~ 7asu
    jpg: -83dBm ~ 14asu
    kb1: -79dBm ~ 15asu (still fubar)
    jl2: -73dBm ~ 20asu
    jl3: -87dBm ~ 13asu
    jk3: -77dBm ~ 18asu
    jk4: -79dBm ~ 16asu
    jk9: -91dBm ~ 11asu (remove external SD before flashing this one)

    Monteagle Mountain, TN (extremely BFE/Rural area)
    jk4: -77dBm ~ 18asu
    jl2: -111dBm ~ 1asu
    jvo: -96dBm ~ 6asu

    (above results are cm7)


    (Edit: Open to all versions of Gingerbread now. Specially CM7 and Dorian's. Just post the rom version you're on with results)
    Samsung SGH-I897 [Build 1007] - teamhacksung's ICS {Android 4.0.1}
    Asus TF101 [Build B70] - Revolver 3.9.5 {Android 3.2.1}
    HP Touchpad {WebOS 3.0.2 + CM 7.1 Alpha 3}

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  3. #2
    Member mletchworth's Avatar
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    Cool idea. Couple of questions - what significance does CM7 have in the testing? Would you expect the same results with different ROMs or bases (Froyo vs. GB)?

  4. #3
    Senior Member Johnnie5000's Avatar
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    Having all test results be cm7 based would add a bit of control to the experiment. But I am open to taking them from any other rom. Just post the rom you're on with results.
    They should be all extremely similar on any rom, froyo or gingerbread. But certain framework differences between roms & frameworks could possibly skew the results.
    Samsung SGH-I897 [Build 1007] - teamhacksung's ICS {Android 4.0.1}
    Asus TF101 [Build B70] - Revolver 3.9.5 {Android 3.2.1}
    HP Touchpad {WebOS 3.0.2 + CM 7.1 Alpha 3}

  5. #4
    Senior Member Johnnie5000's Avatar
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    Ok guys, anyone here still on cm7 should know that the newer nightlies changed things around with the modems/radios. They always default to jl3 and if you have any older radio files on your phone - delete them as they will not work. The versions of the modems for newer nightlies are located here. (thanks to kaik541 for compiling those)
    Samsung SGH-I897 [Build 1007] - teamhacksung's ICS {Android 4.0.1}
    Asus TF101 [Build B70] - Revolver 3.9.5 {Android 3.2.1}
    HP Touchpad {WebOS 3.0.2 + CM 7.1 Alpha 3}

  6. #5
    Senior Member Johnnie5000's Avatar
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    Two links for cm7 modems now.
    Kaik541's Gooinside page ~ jk3, jk4, jl2, jl3, jq1, jve, jvk, kb1, kc1, kp1
    and
    Berryfx/stewart ~ jk4, jl2, jl3, jp5, jp9, jpe, jpg, jpm, jpx, jv3, jv4, jv5, jv6, jvk, jvo, kc1


    Edit: Testing now... Getting very different results from the same radio/modem from the two links.
    Samsung SGH-I897 [Build 1007] - teamhacksung's ICS {Android 4.0.1}
    Asus TF101 [Build B70] - Revolver 3.9.5 {Android 3.2.1}
    HP Touchpad {WebOS 3.0.2 + CM 7.1 Alpha 3}

  7. #6
    Senior Member Johnnie5000's Avatar
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    Captivate Radios
    kc1: -77dBm ~ 18asu
    jk3: -77dBm ~ 18asu
    kp1: -77dBm ~ 18asu
    jpg: baseband version unknown (flashed twice, downloaded twice, no dice)


    Galaxy S Radios
    jpg: -77dBm ~ 18asu
    jpx: -73dBm ~ 20asu
    jv4: -75dBm ~ 19asu
    jpe: -73dBm ~ 20asu

    All of the above were tested in the same spot as the OP running CM7 nightly #43. Have yet to take down signal readings in rural areas. My daily driver has been kc1 and works pretty well (like jk4) in rural areas. Will be testing jv5 out tomorrow.



    Edit: Edited OP to encourage anyone running cm7 or Dorian's Gingerbread Beta to test out some radios, I believe the cwm3 modems on The Modem Thread @ xda will work fine on any 2.3x rom (except cm7).
    Samsung SGH-I897 [Build 1007] - teamhacksung's ICS {Android 4.0.1}
    Asus TF101 [Build B70] - Revolver 3.9.5 {Android 3.2.1}
    HP Touchpad {WebOS 3.0.2 + CM 7.1 Alpha 3}

  8. #7
    Junior Member MattWeiler's Avatar
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    Hi Johnnie5000,

    It was a great idea to create this thread.
    Do you have a clear favorite modem yet?

    Have you upgraded to the newest nightly build of CM7?
    I'm currently on CM7 (Nightly Build #57).

    I'd be happy to try a few modems and give feedback, but I'm kind of a noob when it comes to this stuff.

    Could you explain how to flash a new the modem?
    I assume I'd just have to download the zip file to my phone's root, then boot into clockwork mod and install zip from SD card (obviously choosing the new modem zip file).

  9. #8
    Senior Member Johnnie5000's Avatar
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    Quote Originally Posted by MattWeiler View Post
    Do you have a clear favorite modem yet?
    Not really, I keep going back and forth between jk4, kc1 & jvq.
    Quote Originally Posted by MattWeiler View Post
    Have you upgraded to the newest nightly build of CM7?
    I'm currently on CM7 (Nightly Build #57).
    I'm on #58 (new one every morning)
    Quote Originally Posted by MattWeiler View Post
    Could you explain how to flash a new the modem?
    Your method would work.
    The way I do it is I download all of the modems to a folder (mines just called cm7) on the internal sd card of my cappy.
    Long power button press -> Reboot -> Reboot into Recovery.
    In recovery its the same as flashing anything else. Install zip from sdcard -> choose zip from sdcard -> find the modem and flash it
    Samsung SGH-I897 [Build 1007] - teamhacksung's ICS {Android 4.0.1}
    Asus TF101 [Build B70] - Revolver 3.9.5 {Android 3.2.1}
    HP Touchpad {WebOS 3.0.2 + CM 7.1 Alpha 3}

  10. #9
    Senior Member Johnnie5000's Avatar
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    Soggy's Files - Home

    Good link for pretty much all of the gingerbread modems out now.
    Samsung SGH-I897 [Build 1007] - teamhacksung's ICS {Android 4.0.1}
    Asus TF101 [Build B70] - Revolver 3.9.5 {Android 3.2.1}
    HP Touchpad {WebOS 3.0.2 + CM 7.1 Alpha 3}

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