I can haz bootloaders?

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xd.bx

Senior Member
May 14, 2011
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Ok guys, just need to have your input on the following:

You already know there is HBOOT available with volume down+power.

On my phone, there are two additional modes available: one with volume up+power (red led, three vibrations), another with volume up+volume down+power (green led, five vibrations). I suspect these two modes are used for unbricking. They are also present on my HTC Wildfire.

It would be very cool if other Desire S owners here could try these two combinations and post here your results. Also! very important, please mention if your phone is:

  • S-ON
  • S-OFF because it's en engineering phone, lucky you ;)
  • S-OFF through XTC Clip (aka radio S-OFF)
  • S-OFF through AlphaRevx/Revolutionary (aka HBOOT S-OFF, flag in radio is untouched)

You can also report your HBOOT version but it shouldn't affect which bootloaders are available.
 
Last edited:
kartikk

kartikk

Senior Member
Mar 12, 2011
441
65
Chennai
xdbg said:
Ok guys, just need to have your input on the following:

You already know there is HBOOT available with volume down+power.

On my phone, there are two additional modes available: one with volume up+power (red led, three vibrations), another with volume up+volume down+power (green led, five vibrations). I suspect these two modes are used for unbricking. They are also present on my HTC Wildfire.

It would be very cool if other Desire S owners here could try these two combinations and post here your results. Also! very important, please mention if your phone is:

  • S-ON
  • S-OFF because it's en engineering phone, lucky you ;)
  • S-OFF through XTC Clip (aka radio S-OFF)
  • S-OFF through AlphaRevx/Revolutionary (aka HBOOT S-OFF, flag in radio is untouched)

You can also report your HBOOT version but it shouldn't affect which bootloaders are available.
Click to expand...
Click to collapse


s-off alpharevx
vol up+power does not work
vol up+vol down+power does not work
vol down+power works

& s-off using alpharevx allows you to change radio so i think the radio flag is also changed
 
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xd.bx

Senior Member
May 14, 2011
431
292
kartkk said:
s-off alpharevx
vol up+power does not work
vol up+vol down+power does not work
vol down+power works

& s-off using alpharevx allows you to change radio so i think the radio flag is also changed
Click to expand...
Click to collapse

Thanks very much. It's possible I have access to these two bootloaders because the phone was not originally carrier-locked.
 
kartikk

kartikk

Senior Member
Mar 12, 2011
441
65
Chennai
xdbg said:
Thanks very much. It's possible I have access to these two bootloaders because the phone was not originally carrier-locked.
Click to expand...
Click to collapse

my device was also not carrier locked when i bought it,i bought it for the full price
but i got the device shortly after it was released so this feature could have been added later
 
ben_pyett

ben_pyett

Senior Member
Oct 28, 2006
5,566
2,332
London, Colchester, Wivenhoe
I'm S-OFF by XTC Clip with the ENG Boot (see SIG for versions), not carrier locked device.

volume up+power (red led, three vibrations) = does exacltly this, but, then get blank dark screen and appear to not be able to progress further, with any combination of button pushing, including vol up+vol down+power (so had to pull battery :mad:)

volume up+volume down+power (green led, five vibrations) = does exacltly this, but, again then gives a blank black screen and appear to not be able to progress further, again was forced to pull battery to escape.

Hope that this helps.
 
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xd.bx

Senior Member
May 14, 2011
431
292
Thanks a lot ben and kartkk. In both bootloaders, it is normal that you get a black screen as they only communicate with USB - see tjworld. Kartkk, do you have the black or grey desire s model?

Sent from my Nexus S using XDA Premium App
 
kartikk

kartikk

Senior Member
Mar 12, 2011
441
65
Chennai
xdbg said:
Thanks a lot ben and kartkk. In both bootloaders, it is normal that you get a black screen as they only communicate with USB - see tjworld. Kartkk, do you have the black or grey desire s model?

Sent from my Nexus S using XDA Premium App
Click to expand...
Click to collapse

i have the black version,but i dont think that matters

for me vol down+vol up+power & vol up+power does nothing,the device starts just the way it starts when i am only holding the power button
 
X

xd.bx

Senior Member
May 14, 2011
431
292
kartkk said:
i have the black version,but i dont think that matters

for me vol down+vol up+power & vol up+power does nothing,the device starts just the way it starts when i am only holding the power button
Click to expand...
Click to collapse

Thanks. Are you sure you pressed the power button very fast? Do not keep the button pressed (contrary to volume up/down which must be kept pressed).
 
X

xd.bx

Senior Member
May 14, 2011
431
292
kartkk said:
yes,i tried it that way too but it didn't work
Click to expand...
Click to collapse

Ok, this is very interesting, as if HTC used a different, locked bootloader here. Could you do one last thing for me (root needed):

do a "dd if=/dev/block/mmcblk0p1 of=/mnt/sdcard/mmcblk0p1" and "dd if=/dev/block/mmcblk0p3 of=/mnt/sdcard/mmcblk0p3" then upload the files somewhere. Don't worry, it just reads the bootloaders, there's no risk of modifying anything.

I recommend you do it from adb shell in your android system (not CWM) as the partitions will be read-only anyway and there'll be an even lesser risk of something going wrong.
 
kartikk

kartikk

Senior Member
Mar 12, 2011
441
65
Chennai
xdbg said:
Ok, this is very interesting, as if HTC used a different, locked bootloader here. Could you do one last thing for me (root needed):

do a "dd if=/dev/block/mmcblk0p1 of=/mnt/sdcard/mmcblk0p1" and "dd if=/dev/block/mmcblk0p3 of=/mnt/sdcard/mmcblk0p3" then upload the files somewhere. Don't worry, it just reads the bootloaders, there's no risk of modifying anything.

I recommend you do it from adb shell in your android system (not CWM) as the partitions will be read-only anyway and there'll be an even lesser risk of something going wrong.
Click to expand...
Click to collapse

this could be so because i used alpharevX to s-off my device & alpharevX replaces the Hboot & bootloader with a new one
 
X

xd.bx

Senior Member
May 14, 2011
431
292
kartkk said:
this could be so because i used alpharevX to s-off my device & alpharevX replaces the Hboot & bootloader with a new one
Click to expand...
Click to collapse

Actually, QCSBL and OEMSBL (the two partitions mentionned before) are executed before HBOOT, on the radio itself (not on the apps processor like HBOOT). Hence the possibilty of unbricking through QCSBL even if HBOOT is corrupt. Could you upload the two partitions? (mmcblk0p1 and mmcblk0p3), it would be much appreciated.
 
kartikk

kartikk

Senior Member
Mar 12, 2011
441
65
Chennai
i am a noob at using adb,so im not sure if im doing it right
im getting the message " cannot open for write:read-only file system"
 
X

xd.bx

Senior Member
May 14, 2011
431
292
kartkk said:
i am a noob at using adb,so im not sure if im doing it right
im getting the message " cannot open for write:read-only file system"
Click to expand...
Click to collapse

right. first be sure you are root in your shell (you see a # instead of $). if not root, start the command "su"

then, make sure the SD card is currently not mounted on your PC, if you run the "df" command it should appear in the output as mounted on /mnt/sdcard/ (or maybe /sdcard/)
 
kartikk

kartikk

Senior Member
Mar 12, 2011
441
65
Chennai
got it to work :D
i got the two files & i ziped them
see if these are the right ones

edit:mad:xdbg im using prerooted custom roms, i have root
i restarted my device & it worked
 

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    kartikk
    kartikk
    xdbg said:
    Ok guys, just need to have your input on the following:

    You already know there is HBOOT available with volume down+power.

    On my phone, there are two additional modes available: one with volume up+power (red led, three vibrations), another with volume up+volume down+power (green led, five vibrations). I suspect these two modes are used for unbricking. They are also present on my HTC Wildfire.

    It would be very cool if other Desire S owners here could try these two combinations and post here your results. Also! very important, please mention if your phone is:

    • S-ON
    • S-OFF because it's en engineering phone, lucky you ;)
    • S-OFF through XTC Clip (aka radio S-OFF)
    • S-OFF through AlphaRevx/Revolutionary (aka HBOOT S-OFF, flag in radio is untouched)

    You can also report your HBOOT version but it shouldn't affect which bootloaders are available.
    Click to expand...
    Click to collapse


    s-off alpharevx
    vol up+power does not work
    vol up+vol down+power does not work
    vol down+power works

    & s-off using alpharevx allows you to change radio so i think the radio flag is also changed
    View
    1
    ben_pyett
    ben_pyett
    I'm S-OFF by XTC Clip with the ENG Boot (see SIG for versions), not carrier locked device.

    volume up+power (red led, three vibrations) = does exacltly this, but, then get blank dark screen and appear to not be able to progress further, with any combination of button pushing, including vol up+vol down+power (so had to pull battery :mad:)

    volume up+volume down+power (green led, five vibrations) = does exacltly this, but, again then gives a blank black screen and appear to not be able to progress further, again was forced to pull battery to escape.

    Hope that this helps.
    View
    1
    kartikk
    kartikk
    got it to work :D
    i got the two files & i ziped them
    see if these are the right ones

    edit:mad:xdbg im using prerooted custom roms, i have root
    i restarted my device & it worked
    View

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