Features :
- PreROOTed
- Recovery ClockWorkMod included
- Unlocked Bootloader
- Stock ROM
As in format KDZ installed as an official ROM
- Run the program KDZ_FW_UPD.exe download here
- Remove the battery to the L7 and while holding the key Vol+ connect the USB to the PC
- Find the ROM V10K_00-ROOT-CWM-NewBT-by_Homero.kdz.rar - 267.68 MB clicking KDZ file - download ROM here
- Finally click Launch software update
- Done
Original post by HUMERO2 on xda developer.