You will require at least an Android 8.0 and above and an iOS system of at least 11.0 to download SWATBiz:
Apple Store:
https://apps.apple.com/sg/app/swatbiz/id1483020455
Google Play Store:
https://play.google.com/store/apps/details?id=io.swatmobile.swatbiz.android
Huawei Store:
https://appgallery1.huawei.com/#/app/C101435495