Before switching, open your official WhatsApp > Settings > Chats > and save your data to your phone's internal storage. Step 2: Enable "Unknown Sources"

Restore any local backups if prompted, then set up your profile name and picture. Crucial Safety, Security, and Risk Evaluation

Follow these exact steps to safely download and install WhatsApp Plus on your Android Lollipop device: Step 1: Secure the Correct APK File