Go to Settings > Security (or Applications on some devices) and toggle on "Unknown Sources" to allow the installation of APKs.
Always back up your existing WhatsApp chats before switching.
You are strongly advised to back up your chats to Google Drive before this date to prevent data loss. How to Download and Install WhatsApp Plus
WhatsApp Plus is favored for its "Plus" features that go beyond the official client:
Read messages that have been deleted by the sender. Essential Update: WhatsApp Ending Support for Android 5.1
However, the landscape for Android 5.1 users is changing rapidly. Here is everything you need to know about downloading and using WhatsApp Plus on your Android 5.1 device in 2026. Why Use WhatsApp Plus on Android 5.1?
Go to Settings > Security (or Applications on some devices) and toggle on "Unknown Sources" to allow the installation of APKs.
Always back up your existing WhatsApp chats before switching. download whatsapp plus for android version 5.1
You are strongly advised to back up your chats to Google Drive before this date to prevent data loss. How to Download and Install WhatsApp Plus Go to Settings > Security (or Applications on
WhatsApp Plus is favored for its "Plus" features that go beyond the official client: How to Download and Install WhatsApp Plus WhatsApp
Read messages that have been deleted by the sender. Essential Update: WhatsApp Ending Support for Android 5.1
However, the landscape for Android 5.1 users is changing rapidly. Here is everything you need to know about downloading and using WhatsApp Plus on your Android 5.1 device in 2026. Why Use WhatsApp Plus on Android 5.1?