htc HD2 Startup sequence // howto update Bootloader
Source: https://forum.xda-developers.com/showthread.php?t=1402975
Startup
sequence
- HSPL "tri colored-screen"
- Bootloader: MAGLDR, cLK
- one of
- recovery: CWM, TWRP, ...
- OS (Android, Windows, ...)
Magic Buttons at Startup:
- HSPL: keep Volume down and press End call/Power once
- 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 \?