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Install / Flash Android 2.1 Eclair On Xperia X10, X10a And X10i With X10Flash

X10Flash –2.1 allows you to install / Flash Android 2.1 Eclair on your Sony Ericsson Xperia X10 easily. Bin4ry, senior XDA member, is the author of this Eclair flash tool for Xperia 10 Series [except Xperia X10 Mini]. The tool has a pretty impressive feedback and most of the users have declared success in upgrading their phones with this tool. Please note that this software can only be utilized to flash / install Android 2.1 Eclair on Xperia X10 and doesn’t support flashing / installation of any older Android firmware like Android 1.6.

Disclaimer: Please follow this guide at your own risk. AddictiveTips will not be liable if your device gets damaged or bricked during the process.

Here are the step by step instructions on upgrading your Xperia X10 to Android 2.1 Eclair with X10Flash -2.1:

It is important to note that you will need to completely WIPE user data before embarking on this method. XperiaX10 Failing to do so will put your phone in a loop boot. Apart from this, you also need to disable all User Access Permissions if you are using Windows 7 or Vista.

  1. The first step is to download the Xperia X10 Firmware file along with X10 Flashtool and save both on your desktop.
  2. Extract the X10Flash-2.1 and save the folder on your desktop.
  3. Now switch on your phone and connect to the computer.
  4. Once done, extract the Android 2.1 Eclair firmware file you downloaded earlier and copy the extracted files to Firmware sub-directory in X10Fllash-2.1 folder.
  5. Once you are done copying the files, execute X10Flash.bat file and wait for the procedure to finish.
  6. After the process is complete, you will get a notification prompt, hit enter to continue.
  7. Now unplug your X10 from the computer and wait for it to boot. It usually takes up to 3 minutes for the boot after flashing Android 2.1 Eclair with this tool. In case it doesn’t boot automatically, press the power button to boot it.

And there you go! You now have Android 2.1 Eclair on your Sony Erickson Xperia X10. This method has been reported working for Xperia X10, X10a and X10i. Please DO NOT use this tool to install Android 2.1 Eclair on your Xperia X10 Mini; navigate to this guide instead.

[Via XDA]


  1. I want to update my x10 and on finish was some error and x10 is turn off and I lost system …how to now I install on new software?… Please help …’n’ sry on my English I ‘m not too god..

  2. hi. i want flash my phone xpreia x 10i. plz tell tips how to do it ?
    i was try to put themes and i tryed but it stucked in the middle and it not stating . plz tell how to do it start ……… plzzz………

  3. I just Flashed my Xperia X10a on AT&T…. I am so happy!! it works great!!! thanks for the tips!!

  4. Worked like a charm after I figured out how to do it. What they don’t tell you here is that you have to put the phone in flash mode, I found a youtube video to help with that ,also I had to get x10-Flash 2.1 directly from media fire, the link on the website doesn’t work. The links are below


  5. lol, all you suckers dont bother trying this, its farr to complicated for you to do with ^^that^^ sorry excuse for instrctions, and it unstable! its not just an app, its a firmware flash and if it crashes then ya phone is nackered!

    • Thousands of people including us flash custom firmware to their phones each day and while most of them succeed, a few of them do end up in bricking their device. It is a risk they choose to take. If you can’t understand the instructions or don’t want to take this risk, this method is not for you. You aren’t being forced to try it out either.

  6. I cant believe how plain dumb some people are. Read the instructions, if you don’t understand the words then get a dictionary to help you.
    Now I did read the instructions very carefully and several times.
    A: No “firmware” folder, I created one and the bat file seems to find it
    B: It stops on “searching for Experia” I tried restarting in reflash mode with no effect. Rebooted pc and phone several times still nada. Whats the deal with that?

  7. Hey can you plz help me i m using xperia x10i android 1.6 and the problem is that whenever i used to play youtube videos it does not play and it does not allow me to download any content whenever i open android store it says connection error even it is accessing the internet……help me

  8. If I flash 2.1 to my phone with this method, will I be able to install the OFFICIAL update when sony/att gets it out to us in the states? Or does this version include Mediascape and Time scape also? Will it give me 720p HD video recording? Multitouch?

  9. how long should the process take???
    mine says starting flash but then takes forever to say the same thing again and then just says that way….

  10. hey guys i have a rooted x10a from rogers ( root done with z4root).
    i did all the steps you say extracted firmware to firmware directory
    and i still get cannot find loader.sin skip..
    what should i do ?
    (note my phone is already connected in update mode or flash mode)

  11. Question. I have 1.6 on At&T network and want to upgrade to 2.1. Do I have to root the phone before starting update per instructions or just go ahead and update? Thank you

  12. Hi,
    I have already upgraded my phone to 2.1 using official method.
    However, there is no Market software installed on my x10i. Can i use this method to Flash my x10i in order to get missing Market?

  13. when I click on option flash it doesn’t show the firmware on it. I followed your instruction but I cannot find the firmware.

  14. SO i have everything download but im having issues with step 4 not know were it is please can anyone help me with a walk threw

  15. For the loader.sin missing error you need to start the phone in flash mode and then try to do the flashing. To start in flash mode press the return button while connecting the phone to the pc. Hope this helps

  16. Hi,I just need little help.I already downloaded both the files.It says to paste the firmware in firmware sub-directory in x10 2.1 flash.But I don’t see this folder,so where do I copy it.

  17. my phone connects perfectly… i can root and all but for some reason when i try to flash it all it says is searching for xperia and doesn’t go any further. can any one supply help? im sick of 1.6.

  18. hi
    one question
    would this unlock a SIM LOCKED xperia x10? if not.. would this reset a counter blocked xperia and let me unlock it by entering an unlock code?
    out of attempts NETWORK (0)

  19. Hi, just updatedmy x10i to eclair using official firmware update and followed your instructions. It seemed to install fine but won’t run when tried on a site requiring flash player. Just got the update flash player message and link to adobe saying if my device ran 2.2 I could update. Any ideas, would find flash player very useful. Thanks

  20. No luck. “Searching for Xperia…” then nothing. Root and Clean options from Flasher can connect to the device, but not flash.

  21. Thank you every one for commenting. Please do not confuse install / flash of Android 2.1 Eclair Firmware with installation of Flash 10.1. Here is the link through which you can install Flash on any Android 2.1 Eclair phone:


    • Ali,

      i dont want install flash in my Xperia X10, i’m looking to update my android 1.6 to android 2.1. I tried to do using those files you put there, but i had no success. my phone is from Rogers in Canada and it came with android 1.6 sony told me that doesn’t know when it will be release the update for the phone, recently i start to have problems to update apps from my phone using market place, i went in the help and it says that they are ware about those problems with android 1.6 and they are working on. Besides i can’t use skype in an android 1.6 and also some applications don’t run in the version 1.6, so i don’t know what else to do.

  22. So if the phone is working with Android 1.6 your software will not install the version 2.1, may be this is the reason why it’s not working, any advise to me.?

  23. does it need to mount when you connect the phone to the computer?

    My process goes until searching for Xperia and stops there.

  24. Can this work without having to flash to 2.1?
    I have already debranded, flashed to 2.1 and rooted my x10i (UK, was a vodafone supplied phone)
    I just want flash to watch tvcatchup and play poker on facebook, dont want to have to reflash from 2.1 to 2.1 again, especially as the download link is for a nordic generic pack and I want UK generic.

    Sorry to nag but just want to put flash on.
    Thanks in advance for any help

  25. Heh, This actually worked like a champ. I was having no luck with various other methods. But there were a couple of things I noticed. First, I’m guessing the included ROM is specifically for x10i, and it doesn’t matter that I have an x10a. I haven’t noticed anything strange. Lastly, I had to put my carrier’s APN in manually, as it did not find it. But Google proved useful in finding this info, so it was no biggy. Thanks for the this tutorial!

    P.S. I guess step three should say something about connecting in “Flash Mode.” Although I had no trouble figuring that out.

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