It will possibly be called the iPhone X Plus. The AMOLED models are rumored to have 4GB of RAM with the LCD model having 3 GB. These may be the possible storage options. The higher-end models may ...
Usually iPhones plummet in value as soon as you take them out of the shop. But there are some special cases, as seen at an auction in the US, where a first edition, unopened 4GB model sold for $ ...