[SpIKeR]

Would they ship the item to the address I altered

Only If the driver Is brain-dead, and purely delivers the package based on the receiver's address written on the shipping label.

or is the tracking barcode going to provide the carrier the actual address?

In today's world of logistics and freight distribution, all goods are scanned and delivered based on the Information (consignor to consignee) generated by the scan.

If the driver Isn't half-asleep on the job and scans the consignment, the answer to your question Is obvious.

Then how do so many people get sucess with FTIDv3 on sites like lenovo and or zara ?