Unlock Bootloader.Test Point

1. Saftey Pin
2. Short Piece of Wire
3. USB Cable [MicroUsb male to USB male]
4. s1tool

 
 

[Here]



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Preliminary Steps
1. Download the s1tool.rar and extract the files to your Desktop (for referencial purposes)
2. Open up Phone Dialer app, and type
Code:
3. Go to Service Info... Configuration... And see whats there in Rooting Status. If it reads like:
Code:
proceed. Else, do not attempt to unlock the bootloader

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I. Creating the testpoint cable
1. Connect the piece of wire with the USB Cable and the saftey pin as shown.



This is your testpoint cable.


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II. Finding the Test Point on your phone
1. Open up the back cover of your phone.
2. Remove the Battery of your Phone
3. Locate the test point taking help of the images given below.

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Xperia Active ST17



Xperia Live With Walkman WT19



Xperia Mini Pro SK17



Xperia Mini ST15


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III. Installing the required drivers
1. Plug in the microUSB Port of the USB cable to your phone (Along with one wire end connected).
2. Take the sharp end of the saftey pin, and hold it on the test point.
3. Keep the pin in place using your left hand.
4. Using your right hand, plug in the male USB end of the USB port into your PC.

Windows will try to find the drivers and will attempt to install them.

5. Remove test point wire from the test point now.

PC will fail to install drivers automatically. Now, follow the steps taking help of the screenshots given below to install the drivers automatically.













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III. Disconnect the USB cable from the PC

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IV. Unlocking the bootloader
1. Open s1tool.exe as shown





2. You will get a window as shown.



3. Click on Patch SEMCBoot.

4. Hold saftey pin end on test point as before, using the left hand.
5. Click on Testpoint Ready.
6. You will get the following window, with the progress bar at the bottom.



7. As soon as you get this window, insert the USB Cable to the PC.
8. You will get the following message,
Code:
thus confirming detection of the phone.
9. Remove the saftey pin from the Test Point.
10. Now, click on Test Point Ready once again, and you will get the following window.



11. Disconnect Phone from PC.

You are Done


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V. Reboot Device

Code:
1. Open up Flashtool and follow the steps as shown (position of mouse shows where to click):



















2. Remove the Flashtool ToolBox window at the last step to check the log.
3. Re-boot device.