Each apple device has a special marking, according to which the sellers or the user determines for which country the gadget is intended. 
For example, the A1586 marking means that this device is an iPhone of the sixth series, which is intended for sale in Europe and Russia. Such a gadget supports a large number of LTE networks and is not wired for a specific operator.
interesting 6.1-inch iPhone 12 and iPhone 12 Pro will go on sale first Apple ordered foldable foldable displays from Samsung iPhone
Included with such a device will be a clip for ejecting the SIM card and a charging adapter that meets European standards.
However, it will be more expensive than other modifications iPhone 6, as it has no restrictions on functionality and communication.