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# Thread: HOW TO WORK WITH A2-BASED PHONES

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1. 02-05-2010, 12:35 PM #1
   the_laser
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   ## HOW TO WORK WITH A2-BASED PHONES

   > basics:
   > - a2 phones can only be served in signed mode.
   > - same firmware can be flashed on allowed CID range, you can see CID range in fw name
   > - firmware for specific phone domain (color) can only be applied to phone with same domain

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3. 02-06-2010, 07:38 PM #2
   the_laser
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   ##

   > FLASHING OF A2 PHONES
   > common for all CID:
   > 1. go to semc a2 tab, select proper model
   > 2. add to firmware area correct MAIN, FS IMAGE parts of firmware. order not important.
   > 3. select in misc. field needed CUSTPACK (.zip archive with customization files)
   > 4. if you do not have CUSTPACK, you MUST check on settings "customize phone after flash"
   > 5. set "signed mode" on settings tab.
   > 6. set other settings according your needs.
   > 7. back to semc a2 tab, press flash.
   > CID 26,54,60,185,186
   > skip step 3,4.

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5. 02-06-2010, 07:49 PM #3
   the_laser
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   ##

   > UNLOCKING OF A2 PHONES
   > CID 49,51,52,53
   > standalone usercode reset
   > 1. select proper model
   > 2. on settings, check "signed mode"
   > 3. back to semc a2 tab, press unlock
   > CID 49,51,52,53
   > standalone full reset-based unlock
   > 1. select proper model
   > 2. select needed domain (leave "current" for no change)
   > 3. on settings, check "signed mode","use alternative security bypass"
   > 4. back to semc a2 tab, press unlock
   > that method can fix damaged SCRC and fixing SEMCBOOT automatically.
   > that is preferred method for such phones.
   > server-based full signature unlock
   > 1. select proper model
   > 2. on settings, check "signed mode","do full unlock instead usercode reset",fill login details
   > 3. back to semc a2 tab, press unlock
   > that method can not fix SCRC.
   > CID 80,81
   > server-based full signature unlock
   > 1. select proper model
   > 2. on settings, check "signed mode","do full unlock instead usercode reset",fill login details
   > 3. back to semc a2 tab, press unlock
   > that method can not fix SCRC.
   > if s1 signature server offline, you can not use quick (without modem drivers) unlock.
   > instead, you should :
   > 1.
   > select proper model
   > 2.
   > on settings, check
   > "signed mode",
   > "do full unlock instead usercode reset",
   > "disable flash mode activation for semc a2 phones",
   > fill login details
   > 3.
   > back to semc a2 tab, press unlock
   > 4.
   > when prompted, install phone modem drivers
   > (they can be found in drivers\Modem_Drivers or will be automatically installed if you install semc pc suite)
   > 5.
   > when you will get message "unlock done" - do not remove cable or battery,
   > wait until phone automatically power on, otherwise you will get 5 locks and need to repeat procedure.
   > you can not unlock last SEMC A2 phone ( j108 ) with CSCA method, use special bypass mode.
   > you MUST flash r7cXXX firmware version to be able unlock w20 phone with CSCA method.
   > CID 26,54,60,185,186
   > standalone full unlock
   > 1. select proper model
   > 2. on settings, check "signed mode"
   > 3. back to semc a2 tab, press unlock
   > that method can fix SCRC.
   > that is preferred method to unlock such phones.

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7. 02-06-2010, 07:53 PM #4
   the_laser
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   ##

   > POSSIBLE PROBLEMS AND METHODS OF REPAIR
   > CID 49,51,52,53
   > damaged trim area (ta_open errors)
   > 1. select proper model or model,based on same chipset
   > 2.
   > skip that step, if phone already r&d (brown).
   > convert phone to r&d (brown) domain, for that unlock phone in alternative security bypass mode with brown domain set.
   > 3.
   > if your phone based on db3150 chipset - add to firmware area Shinobu_TA.ssw ( for k850 - sofia_ta.ssw )
   > if your phone based on db3200 chipset - add to firmware area elle_ta.ssw
   > if your phone based on db3210 chipset - add to firmware area Shiho_TA.ssw
   > if your phone based on db3350 chipset - add to firmware area aino_ta.ssw
   > (exception should be done for latest db3350 phones: w20,j10,j20 - aino_ta.ssw will not work for them)
   > 4. set ecc mode: none (0)
   > 5. on settings, check only signed mode
   > 6. press flash
   > 7. get gdfs package from proper model working phone, add it to misc. field
   > 8. press write gdfs
   > 9. unlock phone using alternative security bypass mode
   > 10. reflash phone fully.
   > alternative way, need to use at least setool2 1.08
   > 1. select proper model or model,based on same chipset
   > 2.
   > skip that step, if phone already r&d (brown).
   > convert phone to r&d (brown) domain, for that unlock phone in alternative security bypass mode with brown domain set.
   > 3. select in misc. edit proper gdfs package, DO NOT unzip gdfs package, just select it as is.
   > 4. on settings, check only signed mode
   > 5. press write gdfs
   > 6. unlock phone using alternative security bypass mode
   > 7. reflash phone fully.
   > phone does not startup or stuck on "please wait"
   > unlock phone using alternative security bypass
   > CID 54
   > phone stuck on lg logo.
   > first reflash phone fully with latest firmware version.
   > if that not help, then
   > 1. select proper model, on settings check only "signed mode"
   > 2.
   > if your phone db3150,add to firmware area kf75x_syspart_fix.ssw
   > if your phone db3200, add to firmware area gt505_syspart_fix.ssw
   > 3. press flash
   > 4. press unlock
   > 5. press "clear names"
   > 6. reflash phone fully with required firmware
   > if phone still hangs on lg logo, redo operation with different step 2:
   > 2.
   > if your phone db3150,add to firmware area kf75x_syspart_fix.ssw,kf75x_drm_fix.ssw ( or corresponding model files )
   > if your phone db3200, add to firmware area gt505_syspart_fix.ssw,gt505_drm_fix.ssw ( or corresponding model files )
   > 6. if needed, write gdfs package from proper model working phone, unlock phone after
   > CID 60,185,186
   > 1. unlock phone
   > 2. reflash phone
   > 3. if needed, write gdfs package from proper model working phone, unlock phone after

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9. 06-19-2010, 10:59 PM #5
   the_laser
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   ##

   > special post regarding lg gt40x phones, can be used as reference for other lg db3200-based cid54 phones.
   > user MUST use setool2 version at least 1.083.
   > i will use "BIN_GT400AT-00-V10e-EUR-XX-JUN-07-2010+0" as example, cause i like it
   > if phone in "dead state":
   > 1. best scenario, should work always
   > PHP Code:
   > ``select gt400, options: signed mode, add to firmware area in order:
   > GT40x_cxc000000_APPLICATION_PHONE_SB_IAR-ARM-NAND.ssw
   > GT400_CXC_FS_CABS_LP_NAND_commercial_EUR_OPEN.ssw
   > GT40x_CXC_LGPXO_SYS_CABS_LP_NAND_commercial.ssw
   > gt400_syspart_fix.ssw
   > gt505_drm_fix.ssw
   > add to misc edit
   > gt400_update_gdfs_20100324.gdf.gdfs
   > press flash
   > press unlock
   > power on phone and enjoy power of setool2 ;)
   > ``
   > if phone in "working state":
   > 1. best scenario
   > PHP Code:
   > ``select gt400, options: signed mode
   > press unlock
   > power on phone and enjoy power of setool2 ;)
   > ``
   > it is absolutely necessary to use fix files from setool2 version at least 1.083
   > if you will check "use high speed usb flashing" - you will save at least 3 minutes, so worth to check.
   > when "switching..." message will appear, windows will find and install usbflash drivers.
   > if switching process fails, just repeat procedure.

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11. 05-20-2011, 01:56 PM #6
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    ##

    > HOW TO CONNECT SAMSUNG M5650, SGH-A697, SGH-A797
    > 1. power off phone
    > 2.
    > Connect the cable to M5650 while you press Volume Down + Camera key and connect to PC via USB cable
    > Connect the cable to SGH-A697 while you press 1 + 0 and connect to PC via USB cable
    > Connect the cable to SGH-A797 while you press 1 + message key and connect to PC via USB cable

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13. 04-27-2012, 05:11 PM #7
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    ##

    > q:
    > how to unlock j108 phone without s1 signature server to be online ?
    > a:
    > you need to have setool2 v1.1285 or higher.
    > you need to have test sim card ( with mnc/mcc 00101 ) in phone.
    > you need to have memory card in phone.
    > you need to have valid username/password with at least 3 credits.
    > phone should be in working state.
    > procedure is complicated and definitely NOT for beginners.
    > 1.
    > flash any R7EA011 firmware into phone.
    > fully power on phone, wait until phone setup will be completed.
    > this is absolute requirement.
    > important !
    > do identify before unlock steps or make trim area backup.
    > that will greatly help you if anything will go wrong.
    > 2.
    > run setool2, check that valid username/password entered, then go to "j108 bypass" tab.
    > press "upload executor package"
    > insert test sim card, memory card, connect powered off phone while holding "C" button
    > after initial procedure, disconnect phone , power on it, wait until setup complete and power off phone again.
    > 3.
    > press "upload executor extractor"
    > insert test sim card, memory card, connect powered off phone while holding "C" button
    > after initial procedure, disconnect phone , power on it, wait until setup complete
    > set usb connection in phone options to "file transfer" ,connect phone to cable and copy from memory card "other\executor.b" to setool2\backup\%imei% .
    > setool2 will open that folder for you in minimized state, check taskbar.
    > ( if your system recognize phone as MTP device, you can copy file without setting USB connection to "file transfer" )
    > power off phone.
    > 4.
    > press "unlock phone"
    > insert test sim card ( can use accepted operator sim card ), memory card, connect powered off phone while holding "C" button
    > after initial procedure, disconnect phone , power on it,
    > set usb connection in phone options to "other OS"
    > install phone MODEM drivers, if required ( dist\drivers\Modem_Drivers )
    > wait, until setool2 finish procedure.
    > after setool2 finish procedure, do not disconnect phone from cable, do not remove phone battery, until phone powers on by itself.
    > otherwise you need to restore secunits backup and repeat step 3 from beginning.
    > this is not patch unlock, phone unlock is permanent
    > important !
    > delete executor from games !
    > cause once user will run executor, phone will enter "5-locks" state ...
    > the only way to fix it - restore secunits backup and run unlock procedure again, from step 3 , no more credits required
    > It is not 100% confirmed, but it looks like, that if next steps meets
    > 1. j108 phone was unlocked by unique setool2 bypass method
    > 2. user run executor and phone became 5-locks
    > 3. you do not have security units backup for phone
    > you CAN just perform standard CSCA unlock and phone will be successfully unlocked.
    > of course, you DO NOT need any additional credits.

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