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4:33 AM
Sony Ericsson Fans have a good News to Rejoice. Sony Ericsson developers are providing a tool to unlock the bootloader, so custom build rom's can be installed on your sony ericsson smartphones. Note: To enable this, we will later launch a web service where an unlock boot loader key can be retrieved by entering your IMEI. This key will be used in Fastboot where you perform the actual unlock boot loader sequence. A more detailed instruction will be provided later, when this service is available.
Depending on the original configuration of your phone, it will be either be possible or not possible to unlock the boot loader. No phone updates are required to enable this functionality.
Steps to Unlock Sony Ericsson Bootloader
--Click Continue at the bottom of this page to start the unlock boot loader process.
--Read through the information in the pop up window and click Yes.
--Read through and accept the legal terms. Click Accept.
--Enter you name, email address and the first 14 digits (remove the last digit) of your phone’s IMEI number in the input box. Click Submit. You can view the IMEI number by entering *#06# on your phone.
--The unlock boot loader key is displayed. Write down and save the key for later use.
--Download and install the latest Android SDK from developer.android.com. alternatively you can download custom rom’s from xda developers too.
--Go to unlockbootloader.sonyericsson.com/downloadinf.zip in your web browser and download a zip file containing the android_winusb.inf-file. This is the standard Android file, with a few lines of code added to enable Fastboot to support Sony Ericsson devices.
--Unzip the file and place it in the usb_driver folder in the Android SDK folder on your computer. Accept to replace the old android_winusb.inf-file with the new file.
--Turn off your phone.
--Push and hold the unlock button* on your phone at the same time as you connect the phone to the computer with a USB-cable. See the note in the bottom of the page for information on what button to hold while connecting your phone to a computer.
--You will now be asked for drivers. Point to the usb_driver-folder where you placed the android_winusb.inf-file, and select the Android Bootloader Interface-file. If you are not asked for drivers, and your phone starts to boot as usual, it is not possible to unlock the boot loader on your phone.
--Open a command window and go to the tools folder in the Android SDK folder on your computer.
--Enter fastboot.exe -i 0x0fce getvar version, and verify that you get a response back (for example "0.3"). This means your phone is connected properly.
--Note! If Fastboot displays <waiting for device>, check the host for USB device status. If any unknown devices are present, then check the driver installation. If your phone boots as normal and Fastboot is not starting, even though the USB drivers are working, the boot loader on your phone CANNOT be unlocked.
--Warning! If you perform this step, you will unlock the boot loader and which may void your warranty. If you want to unlock the boot loader of your phone, enter fastboot.exe -i 0x0fce oem unlock 0xKEY, where KEY is the unlock boot loader key you got from the Unlock boot loader web page. You have now successfully unlocked the boot loader in your phone.
Sony Ericsson considers creating recovery ROM that would allow you to put an official ROM with a locked bootloader so that you can update the phone via their software update tool. Note that even if Sony Ericsson releases such a recovery ROM your warranty may be voided even after flashing it. The compatible XPERIA phones will be Arc, Neo, Pro and Play. The XPERIA X10 family won't be considered "due to technical and legal reasons." Not all the available model variants will be able to take advantage of the unlocking though. The carrier-locked devices and some region-specific ones won't be able to get their bootloaders unlocked. If your XPERIA phone is able to connect to the Fastboot tool in the Android SDK, then your phone meets the requirements.
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