These are the instructions for L3 II, you can do the same to extract the KDZ and obtain the dll in the process for L7 II then flash it. Follow the instructions, but use a KDZ meant for L7 II instead of the one provided in the instructions. http://forum.xda-developers.com/show...php?p=51612244
Edit: correct link now.
I Extracted kdz file correctly, then using instruction from your link I tried to flash this phone, but this is showing under READY command:
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