We regret to hear about your experience with our product. Please believe that this is not a usual occurrence.
Please perform the below-mentioned troubleshooting steps, these may help in resolving your concern.
1. Update the WhatsApp to the latest version on the iPhone side.
2. Uninstall the WhatsApp on the Galaxy side.
3. Install the latest Smart Switch app on the Galaxy device.
Kindly share issue (like during the transferring step, the Smart Switch was stuck at the 99% percentage or transferring and restore completed, but when you launched the WhatsApp on the Galaxy device side, it failed to restore the chat history) and steps followed in detail.
If the issue persists, kindly report the problems with a log file. To share a log file, click on the Samsung Members Application (Open Samsung Members Application > Support> Tap on send feedback> Choose Composer> Select error report> select the appropriate issue category> Type your query and send).
