Yes, sorry, I thought you have Huawei E173 modem (not E173u-1). Such situation (phone is in not working state) arise because the security of E173u-1 has binding to HW (simple E173 model has the sucurity that not binding to HW).
The best way to unlock your E173u-1 is to write back origilal (locked) Full flash from this modem, to make it working again, then re-flash it using Octopus Suite software 1.0.6 with the firmware "E173-11.126.16.04.174_unlocked" from the support area and unlock it for 0 credits. Please look here for more details:
http://forum.gsmhosting.com/vbb/f699...hread-1483661/.