It appears Huawei might be working on a smartphone that offers a whopping 512 GB of storage space. A recent online listing for a Huawei device offers specification details such as 6 GB RAM and 512 GB ROM. If the Chinese technology company is actually developing a handset with such an amount of storage, then it will be twice the size of the largest amount of storage the iPhone X currently offers.
https://www.notebookcheck.net/Is-Huawei-developing-a-512-GB-phone.290660.0.html