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I have rooted my Zenfone 2 ZE551ML using a method which permanently replaces recovery (I didn't realize it back then). Can I unbrick it using only fastboot? I can't use adb, as I can't open recovery. I basically need a fastboot adb sideload alternative for flashing the entire firmware/ROM. I tried to flash every single part (except for the system.img, which I couldn't flash) of the firmware using fastboot separately, but it didn't work.

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  • Why don't you search for an appropriate recovery, and flash it with fastboot first?
    – Grimoire
    Apr 17, 2016 at 1:16
  • You mean, to flash a recovery using fastboot? Didn't work. Apr 17, 2016 at 12:16
  • I see. I think that it'll be better to summon @Firelord. He's the fastboot expert, after all.
    – Grimoire
    Apr 17, 2016 at 13:23
  • Thanks. I don't really know the experts here, yet. Apr 17, 2016 at 13:38
  • Oh @firelord ! We have some presents! In the form of fastboot based problems!
    – Dan Brown
    Apr 17, 2016 at 19:57

1 Answer 1

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You can flash a new recovery image with fastboot.
The command is: fastboot flash recovery recovery.img where 'recovery.img' is the name of the image.

If you enter fasboot on the command line with no options or parameters you will see the usage, which is: fastboot flash [partition] [filename]

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  • Flashing a new recovery didn't help. Neither stock nor twrp worked. May 3, 2016 at 19:46
  • Could you please elaborate? Did you receive an error? Was there any output at all?
    – Dominic
    May 3, 2016 at 22:50
  • Stock: Couldn't get over that button combination protection thing TWRP: When I opened recovery, it rebooted. May 5, 2016 at 17:41

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