[Q] mitraveler 10' firmware topic

1- I installed link2sd.
2- Microsd class 4 with 3 partition: 1-Fat32, 2-Ext4, 3-Swap
3- Launch Linksd
4- Select ext4 for 2nd partition.
5- Click on Restart

Mitraveler stay in Android logo.

This is my data:
Product=crane_bc1077
PhoneModel=mitraveler
ROM=crane_bc1077-eng 4.0.4 EUS 7660 8G 0328
Board=crane
Device=crane-bc1077
AndroidVersion=4.0.4
TotalMemSize=1007MB

i tray adb shell and get this error:
- exec '/system/bin/sh' failed: No such file or directory (2) -

I need a firmeware to reinstall. Where can i download?