[Xperia Arc Android Development] kanzone:
Unlocked bootloader required.​

First, you need to unlock the bootloader referred to [TUTORIAL] Sony Ericsson Xperia Arc bootloader unlocking by lollylost100.

Then, download the system image you needed:

[New 2011-06-02] LT15i_3.0.1.A.0.145_GenericGlobal_system.zip (146.71 MB)

http://www.multiupload.com/MC3QLZRI4N

PS: It's highly recommand to flash the unrooted .145 Global tft ( LT15i_3.0.1.A.0.145 Generic Global firmware by jlmcr87 or [ROM] Xperia Arc Firmwares 3.0.1.A.0.145 [o2|HK] Generic Uk, Global, Sweden Added! by jatt101) via flashtool and flash this rooted images becuase the Baseband version was updated.

(Sweden Generic and World Generic customization number as same as 1247-1061)

[New 2011-06-02] LT15i_3.0.1.A.0.145_GenericSG_system.zip (150.38 MB)

http://www.multiupload.com/B19TKQVBDI

PS: It's highly recommand to flash the unrooted .145 SG tft ( [ROM] LT15i_3.0.1.A.0.145 - Singapore Generic Firmware by iragon) via flashtool and flash this rooted images becuase the Baseband version was updated.

[New 2011-05-30] LT15i_3.0.1.A.0.145_FR_system.zip (151.67 MB)

http://www.multiupload.com/ATW1Q7IZWB

PS: It's highly recommand to flash the unrooted .145 FR tft ([ROM] LT15i_3.0.1.A.0.145 - Generic France Firmware by spfrance) via flashtool and flash this rooted images becuase the Baseband version was updated.

[New 2011-05-27] LT15i_3.0.1.A.0.145_GenericUK_system.zip (148.08 MB)

http://www.multiupload.com/SDB8A6A8UA

http://u.115.com/file/clif1fqu

PS: It's highly recommand to flash the unrooted .145 UK tft ([ROM] LT15i_3.0.1.A.0.145 - Generic UK Firmware by AndyD777) via flashtool and flash this rooted images becuase the Baseband version was updated.

[New 2011-05-26] LT15i_3.0.1.A.0.145_O2_system.zip (144.74 MB)

http://www.multiupload.com/7W2NNS16UE

http://u.115.com/file/bh1qslrs

PS: It's highly recommand to flash the unrooted .145 O2 tft ([ROM] Xperia Arc Firmwares 2.3.3/3.0.1.A.0.145 [Hong Kong, Updated with o2]! by jatt101) via flashtool and flash this rooted images becuase the Baseband version was updated.

[New 2011-05-24] LT15i_3.0.1.A.0.145_Hong_Kong_system.zip (155.33 MB)

http://www.multiupload.com/AOG9SBW38J

http://u.115.com/file/aqp76y3l

PS: It's highly recommand to flash the unrooted .145 HK tft ([ROM] Hong Kong Branded 2.3.3/3.0.1.A.0.145 by jatt101) via flashtool and flash this rooted images becuase the Baseband version was updated.

[Old] LT15i_3.0.A.2.181_Global_Customize_system.zip (153.16 MB)

http://www.multiupload.com/QUKXOPW7MG

http://u.115.com/file/t7934273b

[Old] LT15i_3.0.A.2.181_HongKong_system.zip (155.11 MB)

http://www.multiupload.com/6Q22GL281X

http://u.115.com/file/t7537818be

[Old] LT15i_3.0.D.2.79_DoCoMo_JP_system.zip (145.88 MB)

http://www.multiupload.com/2GF7GFJIFH

http://u.115.com/file/t7965287b6

Downlaod the Android SDK (android-sdk_r11-windows.zip) via http://developer.android.com/sdk/

Extract android-sdk_r11-windows.zip to C:\

Extract the system.zip file to C:\android-sdk-windows\tools and downloaded the SYSTEMFILE.img file. (Filename will get different)

Open "SDK Manager.exe" from C:\android-sdk-windows

Press "Cancel" from the "Choose Packages to Install" box.

Go to "Available packages" and double click "Android Repositoey".

Choose "Android SDK Platform-tools, revision 4" and click "Install Selected".

Click "Install".

Installing...

Click "Yes" to restart the ADB.

Click "Close" and close the SDK Manager.

Go to "C:\android-sdk-windows\platform-tools" and copy AdbWinApi.dll AdbWinUsbApi.dll to "C:\android-sdk-windows\tools"

C:\android-sdk-windows\tools (Before)

C:\android-sdk-windows\tools (After)

Make sure that the .dll files in C:\android-sdk-windows\tools

Unplug the USB cable and power off the phone

Press the "Menu" button and plug the USB cable.

After that you will see the BLUE Notification light.

Go to the Start menu and click Run. Type cmd and press enter.

Type

cd \android-sdk-windows\tools
fastboot devices

and press enter.

If you got XXXXXXXXXXXXXX fastboot that means your phone successfully connected.

Then, you can flash the system img to phone.

Type

fastboot flash system [B]SYSTEMFILE.img[/B]

and wait a few minutes. (Please change SYSTEMFILE.img to the file your have extracted)

After Flash operation complete, reboot the phone!

Regards,

Kan