Update WhatsApp on both Android and iPhone to the latest version
Make sure the iPhone is new or reset to factory settings
Connect both phones to power and Wi-Fi
Install the Move to iOS app on the Android phone
Open Move to iOS on Android and follow the setup steps
On iPhone, choose Move Data from Android during setup
Enter the code shown on iPhone into the Android phone
Select WhatsApp in the data transfer options on Android
Tap Start on Android to begin preparing WhatsApp data
Wait for the transfer to finish
Complete iPhone setup after the transfer
Install WhatsApp on the iPhone from the App Store
Open WhatsApp on iPhone and sign in with the same phone number
Tap Start when prompted to import the transferred chats
Wait for WhatsApp to restore the transferred data
Keep both phones connected until the process is fully complete