there are several similar devices, codenames Vivida and Amadeus.
see HTC_PhoneModels for an overview of brand names under which htc phones are sold.
one thing to note, is that there is no memory mapped rom visible.
at boot time, all code is loaded in RAM from a disk-on-chip.
the first XIP section is loaded entirely in RAM, the rest is mounted via BINFS.
an easier way, that does not require the right timing for button presses, is to hook your device to usb, turn it off.
press the camera button, it should immediately enter the bootloader.
hard reset
using clearstorage
to hardreset the device, you can either use the 'clearstorage' application from the accessories menu,
this will delete everything from \storage, all applications you installed yourself.
using the bootloader
turn the device off
press both softkeys ( the 2 keys directly under the screen, used to open menu's etc. )
briefly press the power button, 1 to 1.5 sec.
keep holding down the softkeys.
after about 1 second, you should see the bootsplash screen for about 1 second,
then you a black screen with 'press 0 to restore factory defaults'
pressing '0' now will hard reset your device.
note that the hard reset takes quite a while, several minutes.
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Comparison