WhatsApp has been rumoured to introduce a chat migration tool for quite some time. The tool will essentially let Android or iOS users to transfer chats from one device to another with the same phone number. However, it appears that the Facebook-owned messaging company is testing another feature that would let users transfer chats from one registered number to another - also regardless of the OS. If the rumour is accurate, the migration feature will help users who are not only planning to switch platform from Android to iOS but also change their contact number but don’t want to lose chat history. The development was noted by WhatsApp updates tracker WABetaInfo that also shared a screenshot, which highlights the option “transfer to a different phone number." The feature is said to be under development on WhatsApp beta channels, and more details are expected soon. Once the migration tool is completed, users would also be able to transfer the entire media history from Android to iOS or vice versa, the report adds.