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[Q] Do I need to flash boot.img via fastboot?

OP noam_el

1st July 2014, 09:51 AM   |  #1  
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I've been using the HTC Desire HD for a long time, and I was wondering if things I've learnt with that phone are still relevant.

With the DHD, if the phone was S-ON (but with an unlocked bootloader and a custom recovery), whenever flashing a new ROM it was necessary to extract the boot.img file from the zip and flash it manually by using: fastboot flash boot boot.img.
That was because a custom recovery couldn't flash a custom kernel while the device was S-ON.

Is that also the case with an M8 device that stays S-ON?
Or is a custom recovery now able to write any custom kernel regardless of being S-ON/S-OFF?

Thanks!
Last edited by noam_el; 1st July 2014 at 10:11 AM.
1st July 2014, 10:07 AM   |  #2  
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Indeed

s-on = Flash kernel via fastboot
s-off = kernel is flashed via rom/recovery

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1st July 2014, 10:12 AM   |  #3  
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Thank you for the quick reply!
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boot, boot.img, fastboot, flash, s-on
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