If you own one of these fantastic new Android smartphones and want to take full advantage of what it can do, then you need to learn how to root Sony Xperia Acro S now. We have a step-by-step guide that will have your device rooted in no time thanks to the team at XDA Developers. The Sony Xperia Acro S is a fairly new device on the smartphone market and with its bonus features including HD recording, 12 MP camera, and water-resistant shell, it’s defiantly making a splash. To learn how to root Sony Xperia Acro S continue reading after the jump.

You will also need to have USB debugging mode enabled to complete this guide. This helps to connect your Android phone with the PC.

You will need to make sure you have the Sony USB drivers. This is necessary when you connect the device to the computer. You have to connect it to the computer to root the device.

Before you begin please ensure:

  • You are completing the root process on a PC running Windows.
  • You have at minimum of 80% charge on your device
  • USB Debugging is enabled. To achieve this simply go to ‘Settings’ > ‘Developer Options’then ensure the USB Debugging check box has been ticked.
  • Your device is set to Stay Awake. To achieve this go to ‘Settings’ > ‘Developer Options’ then make sure the Stay Awake check box has been ticked.
  • Your devices timeout screen is set to 30 minutes. To achieve this simply go to ‘Settings’ > ‘Displays’ and set the timeout screen.
  • Your device accepts the installation of apps from unknown sources. To achieve this simply go to ‘Settings’ > ‘Applications’ then make sure the Unknown Sources check box is ticked.
  • You have any necessary drivers installed on your PC. If not you can download them below.
  • Xperia Drivers

Rooting the Sony Xperia Acro S

Step 1. First we need to download the following files:

Step 2. You will need to extract the Acro HD 2.3.7 firmware file (SO-03D 6.0.A.5.12 Docomo.ftf.7z) somewhere easy to locate. Your desktop is the best place for this.

Step 3. Next install the Flashtool onto your Windows PC.

Step 4. Now copy the SO-03D 6.0.A.5.12 Docomo.ftf file from the folder you extracted in step 2 and save it to C:flashtoolfirmwares. All other files in this folder can be deleted now.

Step 5. Launch the Flashtool which can be achieved by heading to ‘Start’ then ‘Programs’. Double click on the Flashtool.

Step 6. Underneath ‘File’ within the Flashtool you will find a lightning bolt icon. Select this icon then click on ‘Flashmode’.

Step 7. Locate the firmware that you copied in step 4 (SO-03D 6.0.A.5.12 Docomo.ftf) and select it. Then ensure that all check boxes are ticked in the ‘Wipe’ section before clicking ‘OK’.

Step 8. You will be presented with some on-screen instructions. Follow these very carefully until you get to the one that requires you to press the back button, instead you will need to hold down the ‘Volume Down’ button.

Step 9. When the flashing process has completed you can close the Flashtool.

Step 10. Now you have successfully flashed the Acro HD 2.3.7 Firmware we can move onto rooting the Xperia Acro S. To start you will need to connect your device to your windows PC using the USB. As previously mentioned, ensure USB Debugging is switched on.

Step 11. You will need to extract the Rootingkit1.0.2.rar file somewhere easy to locate. Your desktop is the best place for this.

Step 12. You should find a file within this folder named Step 1.bat. You will need to run this.bat file.

Step 13. Now you need to flash the Android 4.0.4 firmware (LT26w_6.1.A.1.58 (4.0.4)_Taiwan_Sony.ftf)  that was downloaded in step 1. To do this, use the exact same procedure as we have just used to flash the SO-03D 6.0.A.5.12 Docomo.ftf file through Flashtool. However this time when you reach ‘Wipe’ Section in ‘Flashmode’, ensure all boxes are UNTICKED. You will also need to ensure that the ‘No Final Verification’ is checked. You can find this under ‘Misc’.

Step 14. Once the Android firmware has been flashed you can close ‘Flashtool’. Switch on your device and reconnect it to your windows PC via USB.

Step 15. Open the Rootingkit1.0.2 folder from your desktop and run the Step2.bat file.

Step 16. Once complete your device will be reboot and be rooted.

You can now install custom ROMs and enjoy the many other benefits of a rooted smartphone.

Now that your device is rooted, you can instantly download rooted apps. Furthermore, you may be interested in checking our custom ROMs.