Monday, May 28, 2012

wp7: downgrade SPL, Instal RSPL, HSPL, flash Custom ROMs & Radios


begin here
  1. find out device's Bootloader version. Settings -> About -> More Info
  2. make sure device's battery is greater than 60% before proceeding.
  3. download task 00 and task 29, here and extract contents. (HD7)
  4. note. USB drivers may need install. i.e. Active Sync / Windows Mobile Device Center
  5. continue to next Step according to Bootloader version...

    instructions to downgrade OSPL


    if Bootloader version is 5.xx
  6. a. for Europe devices, see ansar.ath.gr's thread, here.
    b. for those with a Pre-Mango back-up, see Zubair Kirmani's thread, here.
  7. for everybody else,
    a. see here (HTC HD7)
    b. or see Martin7Pro's thread, here.

    if Bootloader version is 4.xx
  8. download non-Test NoDo or Pre-NoDo Radio specific to your device, here.
  9. extract the contents of the 7-zip.
  10. turn off device. then while pressing the volume down button, boot your device.
  11. device should be in Multi-Colored screen, which says 'Serial' in the white section.
  12. connect device via USB to PC
  13. device should now say 'USB' in the white section.
  14. in the 'stock' folder of the extracted Radio, flash SPL_Signed.nbh using task 00.
  15. note. this will also downgrade the Radio, as well as the SPL.
  16. once flash successfully finishes, disconnect device from USB.
  17. repeat Steps #1, #2 & #5.

    instructions to install RSPL


    if Bootloader version is 3.xx or 2.xx or 1.xx
  18. download XSPL, here.
  19. extract the contents of the rar.
  20. run DFT_RSPL..._LAUNCH.exe
  21. please, read information text. select 'Next' button.
  22. power off device and enter Bootloader.
  23. connect device via USB to PC, 'Serial' will change to 'USB' once connected properly.
  24. select 'Next' button on the XSPL wizard and it should now detect your device.
  25. note. do not proceed if OSPL is 5.xx or 4.xx, instead go to Step 05.
  26. select the closest OSPL, on the wizard, to the one on device.
  27. select 'Next' button. wait until wizard proceeds to final page. read and close window.
  28. your device must boot into Bootloader, if it reads RSPLX.Y.Zand CotullaRSPL, then RSPL was successful.
  29. continue to Step #30 or #38.

    instructions to install HSPL

    if RSPL'd and HSPL is desired
  30. make sure RSPL wizard is closed.
  31. run DFT_HSPL..._INSTALL.exe
  32. please, read information text. select 'Next' button.
  33. device should already be RSPL'd and connected to PC, still.
  34. select 'Next' button. wizard should detect your device.
  35. select HSPL, then select 'Next' button. wait until wizard proceeds to final page.
  36. read and close window, then disconnect device from USB.
  37. enter Bootloader on device, if it reads HSPLX.Y.Z andCotullaHSPL, then flash was successful.

    instructions to install a Shipped or Custom ROM


    if a different OS is desired
  38. download ROM of choice. Shipped ROMs are available, here.
  39. extract RUU_Signed.nbh (if Shipped ROM) or RUU_Unsigned.nbh (if Custom ROM).
  40. note. flashing a RUU_Signed.nbh will also replace device's R/HSPL to OSPL of ROM.
  41. bring device into Bootloader and connect to PC via USB.
  42. flash extracted .NBH using task 29.
  43. once flash successfully finishes, disconnect device from USB.
  44. enjoy new ROM.

    instructions to install a Radio


    if a different Radio is desired
  45. download the Radio of choice, here.
  46. extract the contents of the 7-zip.
  47. boot device into Bootloader and connect to PC via USB.
  48. flash RUU_Unsigned.nbh from 7-zip with task 00.
  49. after flash successfully finishes, disconnect device from USB.
  50. enjoy new Radio.

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