Please make sure the SIM card and mobile number are correctly inserted and can receive SMS messages for verification process. User may also
verify the following:
— One mobile number can only receive 3 times of WhatsApp verification SMS messages in a short period of time. After system sending over 3
times of SMS messages, the next verification SMS may be sent after 8 hours.
— The WhatsApp account in your iPhone should be in activated status before transferring the chat history.
— To avoid failure of receiving WhatsApp by redundant verification, we suggest you to reserve interval time in between every chat history