Hi vidisha16,
We appreciate you reaching out to us. Rest assured that we'll do our best to assist you or get you pointed in the right direction.
We understand that you are looking to switch to an iPhone with a bigger device storage.
Because of the nature of your question, we recommend that you team up with our Sales experts.
Our Sales Support team will be more than happy to provide you assistance with sales-related questions, including refunds and returns.
If you purchased your device from an Apple Authorized Reseller, we recommend that you reach out to them.
If you purchased your device from an Apple Store or the Apple Online Store, we recommend that you use the support link below.
We'd like to set your expectations. Returns & Refunds Policy vary by country or region.
For example, you have 14 calendar days to return an item from the date you received it in the US.
Our Sales experts are in a better position to assist you in exploring your options for a potential refund or return.
Take care!