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Unlocking Your Blackjack
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Unlocking Your Blackjack


Before you can optimize and configure your Blackjack to run at optimal speeds you must first app unlock the thing. App unlocking means you can run unsigned 3rd party software on your Blackjack. If you don’t application unlock it’s security settings, any changes you make that is registry based, will not be saved.

NEW: Please note this not a SIM Card Unlock, this is an Application Unlock. Please read the post “Unlocking the Blackjack SIM Card” to learn how to do this.

Here is the easy steps:

  1. Download and install Device Security Manager Powertoy for Windows Mobile 5.0 from Microsoft. This is a nifty utility to show what security policy is in effect. If you connect your Blackjack to your PC, you’ll see two tier security policy is in effect.

  2. Download and copy secpolicies.cab to your Blackjack using ActiveSync. I got this from sems.org who got it from Telus support, after following a post on qusers.com.

  3. Run and install it. This allows you to install third party SSL Root Certs.

  4. If you run Device Security Manager Powertoy for Windows Mobile 5.0 now (it is listed in Start – Programs as “Security Configuration Manager”, you’ll see now you are using One Tier Prompt. Select Security Off and click Provision. It will install tool.cab to your device and then provision the settings.

These instructions are based on the ones found for the Motorola Q provided by sem.org.

{ 85 comments… add one }

  • dwebb March 17, 2009, 2:32 pm

    I’m in need of some help. I’m running Windows Vista and I want to unlock my BJ, but Vista won’t seem to run the powertoy. Thoughts???


  • edgar April 3, 2009, 12:25 am

    i have the samsung sgh-i607 i need to unlock it so i could use it with my tmobile chip what can i do somebody help me please

  • nobody April 9, 2009, 2:34 pm

    sorry it ‘s sghi 617 black jack 2 unlock code

  • nobody April 9, 2009, 2:36 pm

    by the way those of you charging for the unlock code F$#% you

  • yanggemini April 16, 2009, 2:33 pm

    So I have service with ATT, I just want my phone unlock so I can do more stuff like be able to use songs as ringtones, instead of buying.

  • Christine April 22, 2009, 8:25 pm

    Help with Vista! Have downloaded WM6.0. Do you have a fix for this? TONS of photos are on my phone, but I cannot delete them. AT&T Support is stumped.

    • mazdak December 23, 2010, 6:52 pm

      Go to setting press OK then go to “more” option press OK then go to “security” go to “Reset” press OK. then confirm it and wait until it reset.

  • shae June 22, 2009, 12:30 pm

    I unlocked my samsung blackjack to use with my tmobile sim card and everything is working but my internet. What do i do to fix this??

    • jhon February 28, 2010, 12:13 am

      you cant use a tmobile phone and get on the att network for the internet or visversa

  • ~Skate Index~ July 24, 2009, 4:18 pm

    my already unlocked blackjack tells me “PHONE OFF” HELP PLEASE!?!?!?

  • SHAJIM KHAN August 15, 2009, 2:29 am

    Hi. i have some problem wit my samsung black jack i607. the phone is Unlock. But i can’t unlock the phone. I used the restore factory. but it didn’t work……Now wat can i do?

  • mar September 29, 2009, 7:33 am

    please help me unlock samsung sgh i607. imei355460011488035. its given to me by my niece in USA and I want to use it here in manila, philppines

    • Fab August 7, 2010, 9:55 pm

      You should be careful about giving the imei of your phone. It can be used to clone your phone.

      I don’t have the program, but if you google it you will find the program that uses the imei to create the unlocking code. I have seen some people providing the download for free.

    • Anonymous January 15, 2011, 4:13 am

      have you ever tried to use its internet in phil? coz i had the same problem. i have unlocked it but it seems i dont know how to configure internet settings.

  • anurdh November 7, 2009, 12:23 am

    Hi mar,

    You can unlock your mobile from the http://www.onlinegsmunlock.com/ @ very reliable cost then you can use it any where.

  • Tre November 21, 2009, 6:16 pm

    I have a blackjack 2 unlocked for t-mobile by using the unlock SIM thing, question, does this app unlock work for the i617 blackjack 2 ? Cuz i ran the xml on my phone and ran the manager & den it keeps saying my configuration is unknown and wont provision it.. Please help.

  • Jim December 1, 2009, 9:18 am

    This works great!

  • aladji toutouya December 14, 2009, 1:14 pm

    mon ami m’a raporte 1 sgh i607 en cote d’ivoire j’ai des probleme pour affiche le reseau ici svp aide moi

  • kina February 1, 2010, 2:42 am

    Livsim Universal SIM unlock card can unlock most locked GSM mobile phone such as iphone, Blackberry, Nokia, LG, Motorola, Sony Ericsson, Samsung and so on. If anyone interest in this product, please feel free to contact me Email: slaes1@livsim.com MSN:sales1_livsim@hotmail.com

  • eunicecho February 6, 2010, 1:22 am

    i set a password on my black jack
    but i couldnt remember it so i cant access my Blackjack,
    i guessed the password so much taht i have to wait 2 minutes before taking another guess…
    any help?

  • lauren February 9, 2010, 8:19 pm

    anyway to unlock it without downloading software??

  • jared February 13, 2010, 3:56 pm

    i got the unlock code for my blackjack 2 from ATT themselves .. my phone if already fully paid for so i just called & asked for it & they gave it to me free of charge :)

  • nobody April 5, 2010, 2:25 pm

    how can i unlock my blackjack to use for t-mobile

  • goinginsane76 May 2, 2010, 10:36 pm

    I unlocked my blackjack to work with t-mobile. Everything works except I cant send pics. I can receive them but now send them. I leave in a couple of days and need to be able to send my kids pics. Someone please help!!!!

  • adas dominique May 12, 2010, 4:55 am

    hi thiere is somme thing that bother me my phone do not asept the configuration I store on him
    please what can I do ?

  • adas dominique May 12, 2010, 5:00 am

    I need internet in my blackjack somme body over there cant tell me what i will do to have it

  • Zandra Ross-Williams May 15, 2010, 10:04 pm

    I need help,
    I re formatted my black jack SGH-i607 twice and reset it, so everything is wiped clean, I got a new SIM card for AT&T pay as you go account, but when I put the SIM card into the black jack it keeps saying this:
    This phone can only be used with a specific SIM. Enter the unlock code or insert an approved SIM. I already went to the Network Control key screen and typed my 8 digit unlock code to unlock the phone with. it worked but whenever I put the sim card in, it goes to a screen that says the same thing. And every pin code i know won’t work on it, I re-entered the unlock code but it says invalid password. What does that mean???? Help!!! And I already called an AT&T phone line and they gave me the unlock code. So it should have worked.

    • Fab August 7, 2010, 10:00 pm

      From what I read in the net, the phone gets stuck if you try the wrong unlocking code a certain amount of times. After that, to unlock it you will need to take to a specialist who will use cables to donwload stuff in your phone so that it can be unlocked.

    • Jen October 5, 2010, 4:37 pm

      I have the same problem. My phone is unlocked and I changed sim cards and goes to that same screen, to unlock sim card and says invalid password. did you ever find out how to fix it? I heard it doesnt work on prepaid cards.

      • Anonymous September 16, 2011, 5:27 pm

        im pretty sure when u input the unlock it code it has to have a different aervice providers sim card in it or not one at all

  • prashanna July 21, 2010, 4:57 am

    its quite nice trick to unlock, but i prefer using the better option like buying the Unlocked code as its more reliable and permanent .I use http://mobileunlockingcode.com for my mobile unlocks.

  • brian August 18, 2010, 3:54 pm

    Help!!!! I cannot unlock the Jack(sgh-i637) Using the same instructions as posted. Security configuration manager keeps saying locked and wont change.

  • Mike Smith November 14, 2010, 1:35 am

    How can I use the Microsoft Security Configuration Manager to unlock my Samsung Blackjack 2 cell phone so that I can install third party applications?
    Whenever I launch the Security Configuration Manager program and change the Selected Configuration from Locked to Security Off, I get a message that says “Sign the CPF required for communication” (see the screenshot).

    What do I need to do so that I can turn the security off on my Samsung Blackjack 2 cell phone?

    Do I need to download and install one of the SPC certificates shown in the list? If so, which one do I need to download and install?

    I need to be able to turn the Security off on my Samsung Blackjack 2 cell phone so that I will be able to install unsigned third party applications that will then allow me to “tether” Windows 7 laptop computer with my Samsung Blackjack 2 cell phone so that I can use the Samsung Blackjack 2 cell phone as a “modem” to establish an internet connection.

    Please tell me what I need to do.

    I am following the instructions that I have gotten from this website: http://www.corynielsen.com/modifications-and-hacks/unlocking-your-blackjack

  • Ryan January 7, 2011, 8:49 pm

    hi i have a blackjack i607 and it is sim unlocked by att, but i wanted to app unlock also. i downloaded power tool, and secpolicies cab and transfered it but when it tries to install it gives a message”installation unsucessful. program, setting cant install not digatally signed with trusted certificate”? any suggestions

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