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  • error code 37 / MC8755

    hi,
    i tryed to unlock a Sierra Wireless MC8755. but i have a error code 37.

    who is the problem?


    Code:
    model - Auto detect
    
    Found modem         : MC8755
    Model               : MC8755
    IMEI                : 3586...
    Firmware            : U1_2_45MCAP
    Serial NR.          : X20155712591036
    Voice feature       : disabled
    SIM Lock status     : Locked (PH-NET PIN)
    
    ===================================================================
    
    Unlocking, please wait ...  
    
    
    unlock failed !
    
    (error code 37)
    regards...
  • #2

    Originally posted by lpz3sn View Post
    hi,
    i tryed to unlock a Sierra Wireless MC8755. but i have a error code 37.

    who is the problem?


    Code:
    model - Auto detect
    
    Found modem         : MC8755
    Model               : MC8755
    IMEI                : 3586...
    Firmware            : U1_2_45MCAP
    Serial NR.          : X20155712591036
    Voice feature       : disabled
    SIM Lock status     : Locked (PH-NET PIN)
    
    ===================================================================
    
    Unlocking, please wait ...  
    
    
    unlock failed !
    
    (error code 37)
    regards...
    What dc-unlocker software version you use? If use older then 460 version, check, if no sim is inserted at unlock time.

    Comment

    • #3

      i have take out the sim and restart the laptop an try it again, _before_ i have written my first posting here

      tell me if you need more infos...

      regards

      Comment

      • #4

        Originally posted by lpz3sn View Post
        i have take out the sim and restart the laptop an try it again, _before_ i have written my first posting here

        tell me if you need more infos...

        regards
        What dc-unlocker software version you use?

        Comment

        • #5

          Version 1.00.0460

          its a lenovo x60 notebook with drivers from 15.dec.2006 (2.0.8.0) from sierra...

          Comment

          • #6

            hum... no problem anymore

            i have dont change anything, but now all its ok...


            can be closed... thanks



            best wishes...

            Comment

            • #7

              Thank you for good news.

              Comment

              • #8

                Sorry for posting into this rather old thread, but I have a very similar problem as lpz3sn had. I have an IBM T60 notebook with SierraWireless MC8755 HSDPA network adapter and if I try to unlock this card, I get error code 37:

                Code:
                DC - Unlocker 2 Client 1.00.0620
                
                Detecting card :
                
                selection :
                manufacturer - SierraWireless
                model - Auto detect (recommended)
                
                Found modem         : MC8755
                Model               : MC8755
                IMEI                : 3586XXXXXXXXXXX
                Serial NR.          : X20096710091035
                Firmware            : U1_2_45MCAP
                Voice feature       : disabled
                SIM Lock status     : Locked (PH-NET PIN)
                
                ===================================================================
                
                Unlocking, please wait ... 
                
                
                unlock failed !
                
                (error code 37)
                
                
                ===================================================================
                I use "DC - Unlocker 2 Client 1.00.0620" under Windows XP Pro SP2. There is no SIM card in the HSDPA network adapter while unlocking. Currently I have Sierra Wireless 1.5.1.5(4/3/2006) drivers installed. I have tried rebooting the laptop, but still this very same unlock failed ! (error code 37).

                If any additional information is needed, please ask! Please give suggestions, what to try next?

                Comment

                • #9

                  I upgraded Sierra Wireless drivers from 1.5.1.5(4/3/2006) to 2.0.4.0(7/25/2006), but still no use:

                  Code:
                  DC - Unlocker 2 Client 1.00.0620
                  
                  Detecting card :
                  
                  selection :
                  manufacturer - SierraWireless
                  model - Auto detect (recommended)
                  
                  Found modem         : MC8755
                  Model               : MC8755
                  IMEI                : 3586XXXXXXXXXXX
                  Serial NR.          : X20096710091035
                  Firmware            : U1_2_45MCAP
                  Voice feature       : disabled
                  SIM Lock status     : Locked (PH-NET PIN)
                  
                  ===================================================================
                  
                  Unlocking, please wait ... 
                  
                  
                  unlock failed !
                  
                  (error code 37)
                  
                  
                  ===================================================================

                  Any suggestion, what else to try? Or maybe some developer of DC-Unlocker might give information, what does this error code 37 internally mean?

                  Comment

                  • #10

                    Finally I removed the the driver under Device Manger altogether, but "DC - Unlocker 2 Client 1.00.0620" is still able to detect the MC8755. Probably as long as the adapter is accessible over the serial line, it is fine to "DC - Unlocker 2 Client 1.00.0620" and actually there are no drivers needed for "DC - Unlocker 2 Client 1.00.0620" at all.
                    However, unlocking still failed!

                    PS: If it helps, I can post the flash dump somewhere as "DC - Unlocker 2 Client 1.00.0620" is able to read the flash of the MC8755 just fine.

                    Comment

                    • #11

                      Originally posted by m4rtin86 View Post
                      Finally I removed the the driver under Device Manger altogether, but "DC - Unlocker 2 Client 1.00.0620" is still able to detect the MC8755. Probably as long as the adapter is accessible over the serial line, it is fine to "DC - Unlocker 2 Client 1.00.0620" and actually there are no drivers needed for "DC - Unlocker 2 Client 1.00.0620" at all.
                      However, unlocking still failed!

                      PS: If it helps, I can post the flash dump somewhere as "DC - Unlocker 2 Client 1.00.0620" is able to read the flash of the MC8755 just fine.
                      Remove notebook battery, then connect it back, start computer, start dc-unlocker and repeat unlock.
                      Unlocking same device again does not require credits. You can unlock it with 0 credits.

                      Comment

                      • #12

                        Vincentas, thank you very much! Removing the laptop battery for ~10s indeed helped:

                        Code:
                        ===================================================================
                        
                        Unlocking, please wait ... 
                        
                        Card successfully unlocked !
                        
                        Credits left : 0
                        
                        
                        ===================================================================
                        Now the "SIM Lock status" is unlocked and "Voice feature" is enabled

                        Comment

                        • #13

                          Vincentas, unfortunately there seems to be some issues still present. If I connect to the modem and execute "AT+CPIN?" command, I always get "ERROR" as a response:

                          Code:
                          AT                                                                          
                          OK
                          AT!GSTATUS?
                          !GSTATUS: 
                          Current Time:  1632             Temperature: 37
                          Bootup Time:   0                Mode:        ONLINE         
                          System mode:   WCDMA            PS state:    Not attached 
                          WCDMA band:    IMT2000          GSM band:    GSM900     
                          WCDMA channel: 10639            GSM channel: 10
                          GMM (PS) state:DEREGISTERED     NO IMSI        
                          MM (CS) state: IDLE             NO IMSI        
                          
                          WCDMA L1 State:L1M_PCH_SLEEP    RRC State:   DISCONNECTED   
                          RX level (dBm):-90
                          
                          
                          OK
                          AT+CPIN?
                          ERROR
                          I have tried with three different SIM cards. Any ideas, what might cause this?

                          Comment

                          • #14

                            Originally posted by m4rtin86 View Post
                            Vincentas, unfortunately there seems to be some issues still present. If I connect to the modem and execute "AT+CPIN?" command, I always get "ERROR" as a response:

                            Code:
                            AT                                                                          
                            OK
                            AT!GSTATUS?
                            !GSTATUS: 
                            Current Time:  1632             Temperature: 37
                            Bootup Time:   0                Mode:        ONLINE         
                            System mode:   WCDMA            PS state:    Not attached 
                            WCDMA band:    IMT2000          GSM band:    GSM900     
                            WCDMA channel: 10639            GSM channel: 10
                            GMM (PS) state:DEREGISTERED     NO IMSI        
                            MM (CS) state: IDLE             NO IMSI        
                            
                            WCDMA L1 State:L1M_PCH_SLEEP    RRC State:   DISCONNECTED   
                            RX level (dBm):-90
                            
                            
                            OK
                            AT+CPIN?
                            ERROR
                            I have tried with three different SIM cards. Any ideas, what might cause this?
                            Deetct by dc-unlocker when not original sim inserted and you will see correct lock status.

                            Comment

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