Unhappy Help

how to extract file dz LG P715?
i use DZDecrypt not work
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LG OPTIMUS ME
ROM PORT JOYOS 2.3.7
CWM 5.0.28
KERNEL my own kernel

IMO S88
ROM MIUI UNOFFICIAL

TREQ A10G DUO
ROM STOCK ICS
CWM CWM PORT TREQ A10C
KERNEL STOCK