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       Nokia Lumia 520

 Nokia Cable Unlocking Service

Step 1: Download Nokia SL3 Unlocking Server Software

• Download the Nokia SL3 Unlocking Server software: SL3_Unlocker.zip, You don't need to install this software.
  
• Unzip the file to your desktop ( or somewhere ) and leave for now.
• Download and install the Nokia USB drivers from here: Nokia_Connectivity_Cable_Driver_7.1.69.0.zip
  
• Note: Wait until the Nokia USB drivers are completely installed.
• Once complete, reboot your PC then proceed to step 2.

Step 2: Checking the Drivers are installed and your Mobile is connected to the server.

• Remove the SIM card and any memory cards from your phone.
• Turn the phone on and Connect it to your PC using a standard USB cable.
  When the phone starts, make sure you select PC Suite or Ovi if prompted.
• The phone may ask to start without a SIM card, click 'Accept'.
• Allow windows to install all drivers automatically
  It's important to wait until all the drivers have finished installing.
• Next, run the Sl3Logger.exe program previously extracted to your desktop.
• Press the CHECK PHONE button to confirm the phone is connected to the server.
• Enter your Username and Password and press the CHECK USER button.
  ( Please go careful when copying & pasting, you may grab extra characters )
• Make sure credits have been assigned.
• Proceed to step 3.

The Nokia SL3 'Unlocker' when Connected.


Step 3: Unlocking Part 1 ( Sending & Waiting )

• Disconnect your phone from the PC and turn it off.
• Next, press the SEND IMEI TO SERVER button and follow the software's instructions.
  The software will confirm when it's been sent.
• That's it for now, please wait while we calculate your unlocking code.
• This process can take up to 6 hours to complete, depending on work load.
• We suggest: after an hour do step 4, if not ready wait the full 6 hours .

Step 4: Unlocking Part 2 ( Unlocking the Phone )

• Turn on your phone without a SIM or memory card.
• Connect your phone to the PC using the USB cable.
• Making sure to select PC Suite or Ovi if asked.
• If they're needed, please let the drivers install automatically.
• Finally, press the CHECK/UNLOCK button.
• If it's ready, your phone will be automatically unlocked - The process is complete.
• But if it's not ready yet, please wait a while and click again.

The Nokia SL3 'Unlocker' when completed.