Older IPAs were compiled for older iOS architectures. Attempting to run a 32-bit app or an early 64-bit app on modern iOS versions can cause immediate app crashes upon launch. Conclusion
Open Sideloadly or AltStore on your computer and connect your iPhone. Drag and drop the Messenger.ipa file into the app. Enter your Apple ID to sign the app. Messenger Ipa Old Version
Ultimately, the choice to install an old Messenger IPA depends on your unique circumstances and your tolerance for risk. If you proceed, stick to the safer methods ( ipatool with a burner Apple ID) and avoid modded versions promising "free" features. Your digital security is priceless. Older IPAs were compiled for older iOS architectures
: A jailbreak tweak that disables iOS code-signature verification entirely. Messenger Ipa Old Version