The iPhone models currently sold on apple.com work with nano-SIM cards and eSIM voice and data plans from compatible carriers or providers.* And they work on many 4G LTE networks around the world. Contact service providers for details.
Available space is less and varies due to many factors. A standard configuration uses approximately 10GB to 12GB of space (including iOS and pre-installed apps) depending on the model and settings. Pre-installed apps use about 4GB, and you can delete these apps and restore them.
* Trade-in: Trade-in values vary, and prices are subject to change. Additional trade-in values require purchase of a new iPhone, subject to availability and limits. VAT may be assessed on the full value of a new iPhone. You must be 18 years or older. In-store trade-in requires presentation of a valid photo ID. Apple or its trade-in partners reserve the right to refuse or limit any trade-in transaction for any reason. Additional terms from Apple or Apple’s trade-in partners may apply.