With this trick, you can change the WhatsApp phone number, which is linked with your account. By using this trick, you will be able to move groups, account payment status, and profile to another number. Also, you are able to retain and continue that chat history with your changed number. Follow the steps to use this trick.
a) Open WhatsApp and go to Settings > Account > Change Number.
b) Provide your currently in use phone number in the first box.
c) State your new phone number for WhatsApp in the second box, and then click on "Done" to continue.
d) After this, simply follow the verification process of your new number. You will receive its verification code through SMS.