Modern WhatsApp features (encryption protocols, media handling, and status updates) are entirely incompatible with the outdated APIs found in iOS 6.
The file you want is WhatsApp v2.12.4 , but be prepared for it to function only as a static archive, not a working communication tool. whatsapp ipa ios 6 best
Before attempting to sideload or install a modified WhatsApp IPA, your device must meet specific requirements: Modern WhatsApp features (encryption protocols