Not everyone heading to Japan is carrying a brand-new iPhone 17 or Galaxy S25. Many travelers use phones that are three, four, or five years old. Some are budget-conscious. Others simply see no reason to replace a device that still works well. So, is your phone too old for a Japan eSIM? Or will it
One of the most avoidable Japan travel problems happens before the trip even starts. A traveler buys a Japan eSIM, scans the QR code at the airport, and the activation fails. The problem is not the eSIM plan or the Japanese network. Instead, the phone is still carrier-locked. The device rejects the eSIM profile. Mobile