Idiot's Guide: Flashing PRLs on the PrecedentTips


  1. xPureEvilx

    xPureEvilx Well-Known Member

    1. You do not have to be rooted for this:

    2. You do not need the full version of CDMA-Workshop for this

    3. You will need:

    A PRL file, You can get some:Here

    Your MSL code, you can learn how to get that: Right Here

    CDMA-Workshop

    A USB Cable for you phone


    *** UPDATE ***
    Here is how to enable diagnostic mode in any of the AA51 GingerBread Releases
    All thanks to Koumajutsu

    To change your phone to DM mode for gingerbread
    __a)Dial ##7678#
    __b)Enter your MSL
    __c)Select DM and your phone should reboot in DM mode



    Ok Now we are ready to go:

    Connect you phone with the USB Cable.

    Put your phone in USB Debug Mode: Settings -> Applications -> development -> USB Debugging


    1. Open CDMA-Workshop:

    [​IMG]

    2. goto your Phones DialPad and dial ##8778# -> enter your MSL -> Select USB:

    [​IMG]

    Enter your MSL


    [​IMG]

    Select USB:


    [​IMG]

    3. Go back to CDMA-WorkShop and Click On Port:


    [​IMG]

    4. Select "Samsung Android USB Diagnostic Serial Port" (Mine was on COM5)

    [​IMG]

    5. Enter your MSL in the Box and Click The Selection Box:

    [​IMG]

    6. Click connect:

    [​IMG]

    7. Click Read (your info should appear):

    [​IMG]

    8. Click Other

    [​IMG]

    9. Click Write under the PRL catagory

    [​IMG]

    10. Chose a PRL file from your files:

    [​IMG]

    11. You will get a message to confirm that it worked

    [​IMG]

    12. Click The "X" to close CDMA-WorkShop

    [​IMG]

    13. Click yes to restart your phone

    [​IMG]

    14. Your Done!




    Hope you Enjoy!
    www.EvilDroid.net

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  2. PoorBoy52760

    PoorBoy52760 Well-Known Member

    very good write up. will be working on a new precedent soon so i will have to test the not being rooted to get the msl...
  3. xPureEvilx

    xPureEvilx Well-Known Member

    I rooted my phone yesterday, but had my MSL for over a week and flashed my first PRL about 3 days ago.... So I know it works. =P

    Last week I was a noob, This week Iam posting a "How To" lmao.. =P
  4. PoorBoy52760

    PoorBoy52760 Well-Known Member


    good things to know, we dont have alot of signal issues here. but its nice to know how to do the stuff, ok sooo i gotta ask which PRL did you stick with.
  5. amedasu

    amedasu New Member

    Nice work. Couldn't be simpler. You may want to add a step on how to back up the original before someone asks.
  6. xPureEvilx

    xPureEvilx Well-Known Member

    01120 -> The one in the Pics lol.

    It seems to be a little better, but Iam still looking for one that will work good here.
  7. jmc0228

    jmc0228 Member

    I don't get port COM5 I get Samsung Android USB Diagnostic Serial Port (WDM) on COM20 and they say COM20 in just for registered version only so I can't connect. Why am I getting COM20 and not COM5 like xPureEvilx?
  8. xPureEvilx

    xPureEvilx Well-Known Member

    I would try using a diffrent USB Port, But other then that Iam not sure.... Anyone else have an idea.



    Sorry,
    PureEvil
  9. CherokeeBlood

    CherokeeBlood Active Member

    This is an excellent post. Thanks. Now to figure out what one works best for me.
    One question currently. Does changing the PRL effect my service. will ST notice anything?
  10. xPureEvilx

    xPureEvilx Well-Known Member

    A PRL will just change the priority in which you phone connects to cell towers. Can be better or worse it just depends on where you are and which PRL you use.

    Straight Talk shouldnt be able to detect that, but I just wouldnt call Tech Support and give them a reason to look at your info.

    [Disclaimer: They could cancel your service for stuff like this, but its very unlikely this would ever happen. But proceed at your own risk.... Tip: If they ever do ask, Playing dumb can go a long way.]
    CherokeeBlood likes this.
  11. CherokeeBlood

    CherokeeBlood Active Member

    Yeah, I've been with ST for awhile, had the Razr, which got excellent signal out here in the boonies, would still have if it weren't for a 3" downpour while camping. It was on the Verizon network, So I went ahead and got the Precedent, I have good signal everywhere except out her at the house. What do you think the chances are that I could flash a verizon PRL to the phone. From the research I've done so far, it seems that the phone has the same bandwidth. From whatr I gather, it's in the 800/1900.
  12. PoorBoy52760

    PoorBoy52760 Well-Known Member


    since i have been checking PRL files most of them have the verizon, as well as Sprint, and Alltel, Cricket, and other networks already in them the problem is that you have to be within like 5 miles of a tower to get a decent signal. you could try a verizon prl but i am not sure that you would have service afterwards and would have to revert back to a sprint prl file, if you look in the PRLs post i posted some of the newer prls for sprint including a hybrid its 61677 you could try these and see if any of them help..
  13. CherokeeBlood

    CherokeeBlood Active Member

    Tried the 61677, Notta on my end. When I find one that gets me connected out here. It will definitely be the one for everyone. I'm so far out in the woods. I have a tower in "Town" quotations are dependent on what everyone defines a town. It isn't a sprint tower. I opensignals, and it points out toward the nearest city. I run it about mile from thetower, My guess since Verizon is a5 bar connection. it is a tower verizon has vested interest in. I just changed over to the new PRL listed in the PRL files thread, we'll see.

    I'll post later.
  14. CherokeeBlood

    CherokeeBlood Active Member


    update post in PRL thread
  15. GreggWh

    GreggWh Member

    I have followerd these instructions, and flashed my 1st prl, I tried to do another, and cd-ma says "failed phone does not answer". Any advice would be greatly appreciated.
  16. xPureEvilx

    xPureEvilx Well-Known Member

    It does that to me if I use an invalid PRL file. Did you get the PRL file from this thread or somewhere else on the web?
    GreggWh likes this.
  17. GreggWh

    GreggWh Member

    I got the PRL's from this thread, from some further reading, it's indicating that my phone is not turning on in DM. I am going to try removing battery, rebooting, then dbl checking USB debugging. I'll see if that helps. Thanks
  18. PoorBoy52760

    PoorBoy52760 Well-Known Member

    it takes more than usb debugging turned on to flash prls, follow each step of this Guide to the letter and it will work everytime.
  19. twistdshade

    twistdshade Member

    Noob question here (first post, hi)...

    What advantage does this method offer versus the "Update PRL" feature in [settings- about phone- system updates].

    It seems like an awful lot of extra work to do something that can be done with just a few taps on your phone.
  20. whompus60

    whompus60 Well-Known Member

    The theory is you can get use of towers not really designated for straight talk.
  21. Rebecca928

    Rebecca928 Member

    I tried to download cdma-workshop via the link you provided, i downloaded demo and the gethardware id files and when i try to open them it wont, what do i need to open them with?
  22. Ruronin

    Ruronin New Member

    I followed the guide to the letter and it still only shows the soft modem, it doesn't allow me to see Samsung Android USB Diagnostic Serial Port at all

    any help would be appreciated, i'm eager to give this a shot :)
  23. xPureEvilx

    xPureEvilx Well-Known Member

    Did you download and install the Samsung USB drivers?
    Are you using a Samsung USB cable(yes this makes a difference)?
    Is your phone in Debug mode?
    Did you connect the USB cable to your computer?
    Did you try a different USB port on your computer?
    Do you have any issues when connecting your phone as a mass storage device?


    This is the most common problem when people cant connect:
    Goto your Phones DialPad and dial ##8778# -> enter your MSL -> Select USB

    You have to do this step every time, and if USB is already selected then unselect it and reselect it. (You have to do this everytime)
  24. Ruronin

    Ruronin New Member

    yes, i have done all those things
    re did all of it 3 times, still no luck with getting the proper com to pop up
  25. senser934

    senser934 Member

    ruronin:
    did you try clicking the actual port button that was my problem
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