Previously, users struggled with diacritics (Harakat) like Fatha, Damma, and Kasra. In the UPD, dead keys have been moved to the right Alt (AltGr) layer. This prevents accidental triggering of diacritics while typing regular text.

: For a specific "Ismail Keyboard UPD" file, users often download a (for Windows) or (for Mac) from Urdu resource sites like Urdu Point

The Ismail UPD remains popular among students at University of Sindh and private IT training centers because it is faster for code-mixed typing (Sindhi + English + programming symbols).