Unlocking Xperia Mini Pro(SK17i) bootloader( Warranty will void)

– download fastboot package(may come with android-sdk) http://www.multiupload.com/BMJ24IL6XY
– download fastboot driver http://www.multiupload.com/0XZV1LXRVA
– get your unlock code here http://unlockbootloader.sonyericsson.com/instructions
*remember, insert your IMEI and remove the last digit

1. enter fastboot mode( turn off phone, hold volume up+plugin usb cable, blue LED will light up )
2. install drivers.

3. Press shift in and right click on fastboot folder, click open command window here.

4. Type fastboot.exe -i 0x0fce getvar version to ensure your have entered bootloader mode( you will get version on java example, 0.3 )

5. Type fastboot.exe -i 0x0fce oem unlock 0xKEY( replace KEY with unlock code you get from http://unlockbootloader.sonyericsson.com/instructions.

6. Your bootloader now unlocked.

Additional guide : video guide( xperia arc )

Next post, i will update on how to root.

via xda-developers


62 Replies to “Unlocking Xperia Mini Pro(SK17i) bootloader( Warranty will void)”

    1. restart your PC and try again. right click on computer on start menu and click manage. open device manager tab and right click on S1 fastboot (something like that) , update driver..point to x86 folder on extracted driver folder. install the driver. force install if windows says it’s not verified

      1. i have the same problem and when im trying to update the drive like u explained i get message.windows was unable to instal your S1Boot Fastbook.

        can u please help me?

  1. when i hold volume up+plugin usb cable, blue led does not light up and the phone goes to charging mode. my phone is sk17a

    1. maybe your phone is branded..branded phone’s bootloader cannot be unlocked AFAIK..try looking up at xda-developers forum

      1. i got the phone from a carrier called rogers on 3 year contract.
        btw i just tried holding volume DOWN+plugin usb cable and green led light up and a new device called s1boot download showed up…this is not the one isn’t it…

        this is my first time flashing andriod device. thanks for the quick reply.

    You have a perfect ideas on new android device 🙂
    Anyway, my Xperia mini pro Sk17i was unlock and rooted. Thank you.
    but I need to use SuperOneclickv1.9.5 only.
    Anyway can you help me? I want to install Xrecovery in order to recover my phone if bad things happened 🙂 Please if you can,
    thank again,

    Nguon. Sokheang

  3. i get the following message when installing the driver:

    Windows found driver software for your device but encountered an error while attempting to install it.

    Android ADB Interface

    The system cannot find the file specified.

  4. thank you sir it all went perfect now i want to install sk17i .368 rom so wat command i shud give in command prompt !!!

  5. Hey, for enter in fastboot mod, turn off phone, hold volume ….DOWN….+plugin usb cable, blue LED will light up no?

  6. Sony Ericsson Xperia Mini pro sk17i xrecovery page not open in my phone

    any on can help me please ??

    press Back Button at the first apprearance of Sony Ericsson on the Screen at the startup.

    but its not working in my phone Sony Ericsson Xperia Mini pro

  7. thanks for tutoring, but my phone can’t boot, just show the soner logo, what must i do to know the “key”(fastboot.exe -i 0x0fce oem unlock 0xKEY) to unlocked the loader… thanks in advance….

  8. according to intruction…i have to turn on my phone……..and go to tap Service info > Configuration > Rooting Status……i just ask….how can i go to the tap…….my phone can’t turn on just show the logo….and restart again….. i did the intruction….but it not working…thanks…need suggestion….thanks

  9. sorry……..i was got the unlock code……thank you…i will continue it….thank you very much

  10. C:\fastboot>fastboot.exe -i 0x0fce oem unlock 0x71134258CE47BDC5

    (bootloader) Unlock phone requested
    (bootloader) Erasing block 0x00000a00
    (bootloader) Erasing block 0x00000b00
    (bootloader) Erasing block 0x00000c00
    (bootloader) Erasing block 0x00000d00
    (bootloader) Erasing block 0x00000e00
    (bootloader) Erasing block 0x00000f00
    OKAY [ 4.453s]
    finished. total time: 4.453s

    the loader was successfully…what was next should i do?….thanks

  11. for easy de-branding method use wotan server. i used it on my xperia play to get rid of my network branded firmware. however i used a tool to sim unlock my phone from http://www.omniussoftware.com yes i had to pay to unlock it, but it also unlocked my bootloader so had fastboot. was worth it

  12. hello friend, thanks for your tutoring when myphone can’t boot, now i can use my phone again, and now i want to ask for your help again, i was updated my phone to firmware (4.0.2.a.0.62), and the problem i can’t rooted my phone again, maybe the soner was patched the firware, any idea??, thanks for your help

  13. how to know that my phone is bricked, when I try to flash with relock bootloader. I forgot to turn debugging on so after flashing my phone won’t start up, the led blink green and it vibrates. will it work after flashing stock Rom

    1. Kayqi ev dasintaci azkanzanmin ev hatkapes *Paron Armanic vor hnaravorutyun tvecin sat karc jamanakamicocum stercel sepakan kayq..ev zerq berel giteliqner hetagayum *inqnuruyn asxatelu hamarEv ays amen@ liovin **ANVCAR** himunqnerov,vor clsvac depq e HayastanumEs konkret derevs 3 sabat arac *Vocinc cgiteyi Kayq stercelu veraberyal ,isk aysor erb der dasintacin ka evs mek parapunq ,.unem Sepakan Kayq ev karoranum em asxatelDran hasel em urraki ayn bani snorhiv ,vor bac cem torel dasintacner@,..cnayac vor bac tornelu depqum karor eyi stanal Dasintaci Vidyo tarberak@, ev iharke ansahmanapak namakagrakan kapi snorhiv anmicapes dproci rekavari het..( nran urrelov ayn bolor harcer@ voroncum djvaracel em hanznararutyunner katarelu jamanak) Dasintacnyr@ iroq hamarum em SAT* Vorakyal,..*Ogtakar*Ardyunavet*Harmar.(Tanic linelu snorhiv)*Barexirc ..ev mi sarq ayl aranznahatkuyunneri snorhivIm @nkyrnyric sater@ hytaqrqrve l en ays dasintacov indzanic hetoEs mec Hacuyqov kmasnakceyi Dasintaci aveli barzr hetaga pulerin Noric ev Noric sat sat snorhakaluyun “Qo ekamut@ internetum ” kayqin Amen Amen inci Hamar..aaaaaaaaaaaaaaaancaaaaaaap snorhaaaaakaaalutyuuuuuuuuuuun Anznakazmiiic .*********************************************************************************************

  14. Salam..sy x berapa paham Sgt..boleh x bagi penjelasan dalam bahasa Malaysia..mungkin ramai lagi org yang na root xperia mini pro nih..

  15. Bro..firmware sy 4.0.2.A.0.62..xde cara lain ke utk root xperia mini pro or unlock bootloader tnpa downgrade kepada 4.0.2.A.0.368

  16. Iv done all as given above. But once iv entered fastboot.exe -i 0x0fce getva virsion in cmd it says waiting for device….nothing has happened so far.. what should i do?

  17. Hey,

    thanks so much for the tutorial. I was able to root my xperia mini pro. However now that I have unlocked the bootloader, everytime I connect my phone to PC, it connects as ADB Interface (not sure why) and I am unable to connect in any other mode (like data transfer mode). Can you please tell me if I missed something?


  18. my xperia mini pro sk17i now unlocked thanx but …..not updating my mobile ( warning: u r mobile modifide …can’t update …………..plzzzzz help me )

  19. dear..im tried unlockboot loder to through unlock my phone bt which time can i type the unlock code
    nt request to my phone unlock code
    sony experia sl 26ii firmware 6.1.A.2.55 plz help me

  20. i have sony erecssion xperia mini pro sk17i.
    i want flash it…
    which steps should i follow???
    plsss hlp me..

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