WhatsApp 4.4.4 APK is an older version of the popular messaging app that can be downloaded from Uptodown. While it offers basic messaging features, it may not be compatible with your device or other apps, and it may pose security risks. Users should exercise caution when downloading and installing APK files from third-party websites.
The requested software / document is no longer marketed by Saia-Burgess Controls AG and without technical support. It is an older software version which can be operated only on certain now no longer commercially available products.