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Feb 18, 2018

htc HD2 Startup sequence // howto update Bootloader

Source: https://forum.xda-developers.com/showthread.php?t=1402975



  1. HSPL "tri colored-screen"
  2. Bootloader: MAGLDR, cLK
  3. one of
    • recovery: CWM, TWRP, ...
    • OS (Android, Windows, ...)

Magic Buttons at Startup:

  1. HSPL: keep Volume down and press End call/Power once
  2. MAGLDR: keep End call/Power

Update Bootloader

(with broken Start call button):

  • place leoimg.nbh on external SD card (FAT32 partition)
  • start into HSPL
  • confirm update by pressing End call/Power

USB commands:

Source: https://forum.xda-developers.com/showthread.php?t=1292146

  • fastboot flash recovery $recovery.img
  • fastboot oem boot-recovery boot into recovery
  • Show help, which tells how to emulate hardware keys: fastboot oem \?