no estas liberando el bootloader como se debe,ya que en la imagen del msm7227_semc no te detecta el telefono,te deberia aparecer algo como esto que posteo abajo,tienes que tener los drivers instalados,si son los del pc companion es mucho mejor

process requires standard 2.x android firmware.
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Getting ROOT rights.
1743 KB/s (585731 bytes in 0.328s)
error: protocol fault (no status)
Waiting ...
Removing NAND MPU restrictions via SEMC backdoor. Permanent. Require ROOT rights.
192 KB/s (3087 bytes in 0.015s)
success
Waiting ...
Getting ROOT rights.
Waiting ...
Writing patched semcboot. Two step process
First, we need get access to semcboot area
504 KB/s (8064 bytes in 0.015s)
Second, we need to write semcboot
1130 KB/s (596916 bytes in 0.515s)
successfully wrote 0003ff00
Press any key to continue . . .