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

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noam_el
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(Last edited by noam_el; 1st July 2014 at 10:11 AM.)
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Default [Q] Do I need to flash boot.img via fastboot?

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!
Current Device: HTC One M8 Gunmetal Gray Developer Edition (Stock)

Old Device: HTC Desire HD, hacked with AAHK
Bootloader: HBOOT 0.85.2425 "ENG" S-OFF (modified by hyuh)
Radio: 12.69.60.29_26.17.14.11_M
Recovery: ClockworkMod v5.0.2.7 (from AAHK)
ROM: taktiK 4.4.2 R1 by randomblame
 
Mr Hofs
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Indeed

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

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noam_el
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Thank you for the quick reply!
Current Device: HTC One M8 Gunmetal Gray Developer Edition (Stock)

Old Device: HTC Desire HD, hacked with AAHK
Bootloader: HBOOT 0.85.2425 "ENG" S-OFF (modified by hyuh)
Radio: 12.69.60.29_26.17.14.11_M
Recovery: ClockworkMod v5.0.2.7 (from AAHK)
ROM: taktiK 4.4.2 R1 by randomblame
Tags
boot, boot.img, fastboot, flash, s-on
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