Depending on the operating system in your old phone, choose the proper method of transferring content to HTC U Ultra.
From an Android phone
On your old HTC or other Android phone, download the HTC Transfer Tool and use it to transfer your content to HTC U Ultra. See Transferring content from an
From an iPhone
Back up iPhone content to your iCloud storage, and then transfer the content to HTC U Ultra. See Transferring
iPhone content through