Avoid These IELTS Speaking Mistakes!
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Q: Can I use alternative messaging apps on my iPhone 4s with iOS 9.3.6? A: Yes, there are alternative messaging apps, such as Facebook Messenger, Telegram, and Signal, that are compatible with your device.
Downloading and using WhatsApp on an iPhone 4s running iOS 9.3.6 is no longer officially supported. As of early 2026, WhatsApp requires iOS 15.1 or later to function, which the iPhone 4s cannot run.
Meta periodically sends a “server-side kill switch” to older app versions. Once WhatsApp sets a minimum version requirement (e.g., “Update to continue”), your iOS 9 version will stop working entirely. That day is likely before December 2026 .
Tap the cloud icon (or “GET”). A pop-up will appear:
After you successfully install the legacy version, here’s what to expect:
“Download an older version? The current version requires iOS 12.0 or later, but you can download the last compatible version.”
If the above methods fail, you can try sideloading the IPA file (the app installer for iOS). This requires a Windows PC or an old Mac running iTunes 12.6.5.