Tip n Trick Upgrade Android OS or Firmware Sony Ericsson with lock bootloader

Well, for this post i want to tell about upgrade Android OS for Sony Ericsson with lock bootloader. For the first  we should know what is upgrade OS. Upgrade OS is change your mobile OS with the higher OS, that the higher OS give more advantages like drain battery issues, faster access, more function and etc. Here there are three kinds method for upgrade:

• Upgrade Via OTA (Over The Air)
• Upgrade Via Seus or PC Companion, and
• Upgrade offline Via Flash Tool

Before Upgrade your Sony Ericsson Upgrade you must see this pict :

I. Upgrade Via OTA (Over The Air)
Upgrade Via OTA for Sony Ericsson is doing on your devices with high speed internet connection, and the step for upgrade " Settings >> About phone >> Software Update and choose accept".
   
II. Upgrade Via Seus or PC Companion
Upgrade Via Seus or PC Companion is upgrade with your Computer that connected with your device and internet connection.

and then you can continue your step with looking Sony Guide.

III.  Upgrade offline Via Flash Tool
This upgrade is doing with offline connection and need computer and Sony device. Where this update doing on software Flash Tool on your computer. 


Step by Step:

1. click flashtool 0.2.8 and extract it to a special folder. 
2. after flashtool successfully extracted, there will be several folders, and one of folder is firmware folder.
3. Extract OS or Firmware Sony device on firmware folder
4. on your Sony Device you can checklis "unknown service". after that, go to settings-aplications-development and debuging checklist this mode.
5. and then turn off your Sony device, open your flash tool software on your Computer
6. after that click flash buton and check the Os or Firmware had been detected or not. if had been detected you can also click OK, Let sit until popup image flashtool x10 instructions shown.
7.  after popup page shown, connect your usb device with computer on off mode and then keep press back button on your device.
8. let sit progress until finish.
9. if finish notification show, you can unplug your usb device from computer, and wait process until five minutes.

Picture Step by step :
 

 

 

Upgrade Process Finished 

For the last i just say sorry for the mistakes i have, thank you. 

Bibliografi :

http://www.kaskus.us/showthread.php?t=11677562