How to update Sony Xperia S to Android 4.4-Kitkat

Here is the tutorial of updating Sony Xperia S to Android 4.4-Kitkat.

The announcements of updating:

Ⅰ: This tutorial is suitable for the single card version of Sony Xperia S to brush into the Kitkat’s official RUU, it can also be applied to another format, such as zip to brush into.

Ⅱ: To ensure that your Sony Xperia S has been turned into S-OFF before flashing. And the electric quantity is over 30%. At the same time, the computer system you operate is Windows.

Ⅲ: To assure that you have a related knowledge of adb and fastboot.

Ⅳ: After flashing , your Sony Xperia S will update to the version of hboot.

The detailed procedures of updating Sony Xperia S to Android 4.4-Kitkat:

Ⅰ: Download the adb driver, move 3 documents from zip package to c:/windows. Meanwhile, download the RUU package you need.

Ⅱ: When your Sony Xperia S comes into the fastboot usb mode, shut down your Sony Xperia S, press the bottom button of the Volume key and Power supply key at the same time. Then Sony Xperia S will enter hboot mode. Next, choose bootloader to come into fastboot. Plug your data line and wait for the correct drive. Later, enter the fastboot usb mode.

Ⅲ: Click the Start key of the left corner of your desktop. Enter cmd in the Searching program and the document frame.

Ⅳ: Then input fastboot oem rebootRUU. Your Sony Xperia S will reboot to another interface.

Ⅴ: Input fastboot flash zip RUU-Sony Xperia S_One_GE-4.4-3.58.1700.5.zip

Ⅵ: You will meet an error when you press the Enter key.

Ⅶ: Repeat the upper order to solve the problem.

Ⅷ: When you see the character-Finished. Input: fastboot reboot

Ⅸ: After all of the procedures, your Sony Xperia S has successfully updated to Android 4.4-Kitkat. Congratulations and enjoy your Kitkat.

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