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Root Connecting Attain 4G to QPST to change prl.

Discussion in 'Android Devices' started by pandibear, Apr 5, 2012.

  1. pandibear

    pandibear Newbie
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    I started looking for a way to change the prl I updated OTA from 3027 back down to 3026 because it was disconnecting my 4G every few minutes. AND it was killing my battery from searching for 4G

    This is what I found. Hope this helps someone here.

    The QPST setup file and prl file is from samsung admire's thread. Its all thanks to nuttmeg for these files.

    QPST_v2.7_Build_301.exe
    3026.prl

    -first, get your IMEI number from your "About Phone --> Status section"
    -dial **87284 on your phone. it will go to a menu to let you change the USB section to modem.
    -goto your device manager to check what port the phone is on. For me, before I change the modem section. the phone was on com5 and after change. it went to com9
    -Run QPST configuration and add the port (com9)
    -the port should come up with a model number which to me is strange numbers. but it should not show "No Phone"
    -start client - Service programming
    -Roam tab
    -load file (prl file)
    write to phone - it will ask for your SPC code which you can get by putting your IMEI code into MEID convertor from the google play / marketplace
    when done, let it reboot all the way.

    it doesnt reconnect instantly. it took my phone about 2 minutes to reconnect to 4G but afterwards but once it did. it is working better atleast for me.

    EDIT: I updated to 3028 and it seems to work very nicely for me. but I did get a few drop calls when I was passing a few areas right after updating. I dont know if its just the area or my phone. Will be continue testing tomorrow when I pass that area again.
     

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    joezack and Havocx23 like this.
  2. skinlab

    skinlab Well-Known Member
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    Thanks for the info. 3027 docked my connection too.
     
  3. Tokenpoke

    Tokenpoke Android Expert
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    I had the feeling that would work... sweet
     
  4. OLDSCHOOL410

    OLDSCHOOL410 Lurker
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    i downgraded to 3022. but im currently on the $40 plan, what settings does your qpst say when you read the phone under the mip and ppp? do you know what should be in there in order to get regular 3g internet for free?
     
  5. mobileplay

    mobileplay Well-Known Member
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    Just got 3028, will see how its working and post tomorrow.
     
  6. Stingroo

    Stingroo Member
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    Thanks! 3027 now. We'll see if I get my 4g back.
     
  7. mobileplay

    mobileplay Well-Known Member
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    3028 seems to be working good for me.
     
  8. tydagreat5

    tydagreat5 Lurker
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    will this get it to work??
     
  9. tydagreat5

    tydagreat5 Lurker
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    hey do u no how to get it to read attain 4g the port not popping up
     

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