Lenovo_A5000_S124_MT6582_20151118.zip|OneDrive|GD2 Lenovo_A5000_S030_MT6582_20150713.zip|OneDrive|GD2 Lenovo_A5000_S002_MT6582_20150306.zip|OneDrive|GD2 46. Lenovo A529 Lenovo_A529_MT6572_S177_140122_China_2.3.6.zip|OneDrive|GD2 Lenovo_A529_MT6572_S176_140115_China_2.3.6.zip|OneDrive|GD2...
flash, bypass Factory Reset protection (FRP lock) etc. So if you have a device in which you need to flash a custom ROM of IMG recovery file, then you will need its particular Secure DA files.