Tnzyl Wats Ab Ljhaz Samswnj Qdym Page
This looks like a phrase written in Arabic using a Latin (English) keyboard layout where each letter corresponds to the key's position on a standard QWERTY keyboard.
The person is saying they found an about exactly that — likely a tutorial or workaround for getting WhatsApp working on an older Samsung phone. tnzyl wats ab ljhaz samswnj qdym

