Download LYF Wind 2 LS 6001 Stock ROM or Flash File and flash it using Recovery mode through Stock Firmware.
Lyf_LS6001_R21_R31_5.1
Rename the file to Update.zip
Place it in sd card
Press & Hold Power + Volume UP
Shift to recovery mode.
Select apply update with sd card
Lyf_LS6001_R21_R31_5.1
Rename the file to Update.zip
Place it in sd card
Press & Hold Power + Volume UP
Shift to recovery mode.
Select apply update with sd card