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Samsung I6500 Unlock and repair by cable manual
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  1. If you do not have a valid SRS username and password yet: Buy a SRS Samsung unlock account
  2. Download & run our SRS installer - Make sure you also install Samsung USB drivers in 4th step of installer.
  3. If present uninstall 'Samsung PC studio software' from your computer
  4. Put the original working simcard inside the phone and turn on the phone (if you don't have the original simcard or your phone is in 'phone freeze' mode don't put any simcard in the phone)
  5. If present on your phone make sure Bluetooth is turned OFF and 'Auto Keypad Lock' is off
  6. Go to Menu - Settings-> Applications-> Development - ( switch on ) USB debugging ON
  7. Type *#7284# then choose USB > Modem (or USB > Phone)
  8. Type: *#9090# then choose - [1] Uart_null_usb_diag.
    Sometimes options are different per phone but important is that you choose an option with 'usb_diag', this means that USB is in diagnostic mode
    *Note for some phones the codes *#7284# and *#9090# bring you to the same screen, don't worry about that
  9. Now restart the phone
  10. Type *#9090# once more the check phone is still in USB Diag(nostics) mode
  11. Connect phone with computer using original Samsung USB cable
  12. Run Samsung Remote Unlock Client (Start -> Programs -> Simlock Remote Client -> Samsung Remote Unlock client)
  13. Login using your SRS login
  14. Select your phone model from the drop down list
  15. Press rescan and make sure 'QCOM Diag' is detected (In case of trouble Check and set Samsung OMAP2 modem port)
  16. Press 'Direct Unlock'

Samsung Unlock and repair by cable manual by Unlocksamsungonline.com