Apple iPhone 6 Plus display languages
Apple eventually added the Persian keyboard and language to the list of the iPhone keyboards and preferred languages back in 2017. Now all iPhones with iOS 11+ can add Persian keyboard and or language in their iPhone Settings &gt; General &gt; Keyboards or .. &gt; Language &amp; Region.

Prior to iOS 11, Persian users could install the Arabic keyboard and long-press ک - ج - ب - ز - ي keys to input the Persian letters گ - چ - پ - ژ - ی.