Note: If you have WhatsApp chat messages on your new Galaxy S7/S7 Edge already, please simply connect your new new Galaxy S7/S7 Edge and your old Android Phone/iPhone to Backuptrrans software via USB. And then click the "Transfer" button on the software to transfer your messsages. All chat history will be merged perfectly on your Galaxy S7/S7 Edge. If you have any further question, please contact us at sup...@backuptrans.com.