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Samsung Z300M 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
3. Connect your FTDI USB cable or Serial Cable to your computer (cable only)
4. Install FTDI drivers (only in case you are using a FTDI usb cable)
   1. Connect the FTDI USB cable to your computer and your phone. Please use a USB port at the back of your computer (especially with Laptops). If your FTDI USB cable has a external power supply (9 Volt battery connection) you have to use it and connect a 9V battery with sufficient charge.
   2. Now Windows will detect new Hardware. Some info boxes will pop-up at your right lower corner. Give Windows a couple minutes to finish this and Windows should pop-up with the 'Found New Hardware Wizard'
      
   3. Choose 'No, not at this time' and click 'Next >'. You will then see:
      
   4. Choose 'Install from a list or specific location' and press 'Next >'. You will now see:
      
      Click on the 'Browse' button and browse to: c:\Program Files\Simlock Remote Client\Drivers\FTDI-Cable\. Then click 'Next >'
      Note: our FTDI drivers are generic FTDI drivers. Some (china) cables need their own drivers and won't work with ours. In that case use drivers that came with the cable or contact the company where you bought the cable or drivers!
   5. Depending on the security settings on your machine Windows might ask:
      
      Click 'Continue anyway'
   6. Now the drivers are being installed:
      
   7. Click 'Finish' in the last screen
   8. You are NOT done yet; after you click 'finish' the 'Found New Hardware Wizard' will pop-up again. You will have to do the same process exactly the same again.
      Depending on your cable its is possible you have to do the same process twice more
5. Run Samsung Remote Unlock Client (Start -> Programs -> Simlock Remote Client -> Samsung Remote Unlock client)
6. Login using your SRS login
7. Set Comport to correct port number (How to set FTDI Comport)
   1. Make sure your FTDI USB cable is connected to your computer
   2. Open 'Device Manager' on your computer:
      On XP go to: Start -> Settings -> Control Panel -> (Switch to Classic view ) -> System -> Hardware (tab) -> Device Manager.
      On Vista go to: Start -> Type in the following commando in the 'Search box': devmgmt.msc and hit enter.
      On Windows 7 Click the pearl button (start button) then in the search box type 'Device Manager', you will see 'Device Manager' in the search results. Click and it opens.
   3. Now click the '+' at 'Ports (Com & LPT)'
   4. You should see a device there identified with 'FTDI' in the name and / or 'USB Serial Port'. You can directly see the com port number behind the name of the device between the brackets ()
   5. Select (or type) this number under 'Select Comport' in the SRS software
8. Make sure phone is turned ON
9. Select your phone model from the drop down list
10. Click 'Direct Unlock'

Click Here to buy your SRS Samsung Z300M account!

Samsung Unlock and repair by cable manual by Unlocksamsungonline.com