can someone explain the differences between the following files?
dragonboard410c_sdcard_developer_debian-252.zip
dragonboard410c_sdcard_install_debian-252.zip
linaro-stretch-alip-qcom-snapdragon-arm64-20170628-252.img.gz
linaro-stretch-developer-qcom-snapdragon-arm64-20170628-252.img.gz
linaro-stretch-installer-qcom-snapdragon-arm64-20170628-252.img.gz
thanks