The Cut-Off: Which Phones WhatsApp Will No Longer Work On

Starting in August 2026, WhatsApp will stop working on a long list of older smartphones. Meta, the company behind the messaging platform, has raised its minimum operating system requirements: only devices running Android 5.0 or newer, and iPhones with iOS 15.1 or newer, will continue to receive support.

This means any phone that cannot be updated to at least those OS versions will gradually lose access. Meta says the change is part of a normal modernization cycle that allows the app to offer stronger security, better stability, and new features—including AI-powered tools and more advanced messaging functions that older hardware simply cannot handle.

Among the Android devices affected are several Samsung models from as far back as 2012 and 2013: the Galaxy S3, Galaxy S4 Mini, Galaxy Note 2, Galaxy Core, and Galaxy Trend Lite. LG devices that will lose access include the Optimus G, Optimus L5, Optimus L7, Optimus F7, Lucid 2, Nexus 4, and G2 Mini. Sony’s Xperia Z, Xperia Z2, and Xperia SP are also on the list. On the Apple side, the iPhone 6 and all earlier models—iPhone 5, iPhone 5c, and older—will no longer run WhatsApp because they cannot install iOS 15.1.

Initially, users of incompatible phones will simply stop receiving app updates through the Google Play Store or Apple’s App Store. Over time, the app may begin to malfunction: login attempts may fail, messages may not send or be received, and general instability will creep in. WhatsApp recommends checking your phone’s current operating system version now, and if an update is not possible, backing up your chat history via Google Drive (Android) or iCloud (iPhone) before the service degrades completely.

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Why Apps Like WhatsApp Keep Leaving Old Phones Behind

The Inevitable Lifecycle of a Messaging Giant

WhatsApp’s move is not extraordinary; it is a standard industry pattern. Modern apps rely on secure encryption libraries, media codecs, and background processing routines that simply do not exist in operating systems released a decade ago. Maintaining compatibility with Android 4.x or iOS 12 forces a company to carry legacy code that grows harder to secure and patch over time, and it prevents the rollout of features that demand more recent hardware capabilities—such as on-device AI processing or richer video calling experiences.

Security, Not Just Features, Drives the Cut

Older operating systems stop receiving security updates from Google and Apple themselves, leaving any app that still runs on them exposed to known vulnerabilities. Meta is, in effect, aligning its minimum bar with the effective security support horizon of the platforms. For the user, this means phones that can no longer get patches from their manufacturer pose a growing risk to personal data and account safety—not just on WhatsApp but across all installed apps. By drawing a line at Android 5.0 and iOS 15.1, Meta is ensuring that even the oldest supported phones still benefit from a baseline of modern encryption and permission controls.

A Small But Real Privacy Reminder

An often-overlooked consequence is that users who cling to extremely outdated phones likely have a backup habit that stopped working years ago. WhatsApp’s backup system—tied to Google Drive or iCloud—also evolves. A phone that hasn’t been updated since 2015 may be silently failing to upload new chats, meaning years of messages could be irretrievably lost when the app finally breaks. The compatibility deadline therefore serves as a prompted moment for users to secure data that, in many cases, hasn’t been backed up in an equally long time.

What You Should Do If Your Phone Is on the List

If your phone appears on the affected list, a few straightforward steps can prevent you from being locked out or losing your message history:

  • Check your actual OS version. Go to your phone’s settings—under “About phone” on Android or “General” > “About” on iPhone—and note the version number. If it is lower than Android 5.0 or iOS 15.1, and the phone offers no further system updates, you are on the cut-off list.
  • Back up your chats now, while the app still works. On Android, open WhatsApp > Settings > Chats > Chat backup and tap “Back Up” to Google Drive. On iPhone, go to WhatsApp > Settings > Chats > Chat Backup and perform a manual iCloud backup. Confirm the backup date and file size to be sure it completed.
  • If you intend to keep using WhatsApp, plan a hardware upgrade. You do not need a flagship device—any budget Android phone shipping with Android 10 or higher, or a used iPhone 8 or newer (which supports iOS 16+), will comfortably meet the new requirements and receive updates for years.
  • If you plan to move to a new phone, restore your backup during setup. When you install WhatsApp on the new device, the app will prompt you to restore from Google Drive or iCloud; doing this before the old phone loses access ensures a seamless transfer of chats and media.