Help amaze 4g won't power on

I recently purchase a htc amaze 4g, which was bricked but powered on occasionally, i read the unbrick project for may amaze and carried out the steps to unbricking how ever i got the following error in the unbrick project:


Searching for bricked device...
The bricked device is on
sdb
Use the above node to perform operations using the emmc_recover tool
root@ubuntu:/home/shannan# sudo ./emmc_recover --flash ruby1.93.nb0 --device /dev/sdb12 --backupafter hboot_f.nb0
=== emmc_recover 0.2, written by Fuses =====
Messing up with device /dev/sdb12, ARE YOU SURE?
CTRL+C if not, ENTER to continue

Flash image file is ruby1.93.nb0
Device is /dev/sdb12

Press ENTER if everything is correct, CTRL+C if not

Waiting device /dev/sdb12.......
Foundit!
dd: writing `/dev/sdb12': Input/output error
89+0 records in
88+0 records out
180224 bytes (180 kB) copied, 21.4905 s, 8.4 kB/s
Return code is 256
FAILED!!


The device also doesn't show any hdd file folders when detected with the script 'brickdetect.sh'

Any help will be deeply appreciated.

Im fearly new to this forum so i dont really knw what to do

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