According to Apple, a "very small percentage" of iPhone 8 devices have logic cards with a manufacturing defect that qualify for a free repair.
To verify that you have an iPhone 8 that can be repaired under this new repair program, Apple has created a Web site where you can enter your serial number.
Apple says the affected units were sold between September 201
The problem does not affect the iPhone 8 Plus or other iPhone models. So select only iPhone 8 models that are eligible for a free repair.
Customers with a qualifying device can make an appointment at an Apple Store, contact an Apple Authorized Service Provider, or arrange mail-in service through Apple Support.
Apple says repairs may be limited to the original sales territory or territory. Customers affected are advised to secure their iPhone before repairing on iTunes or iCloud.
An iPhone 8 with damage that affects the repair of the motherboard, such as For example, a damaged screen must be repaired before Apple offers the service.
The new iPhone 8 Logic Board Repair program covers affected iPhone 8 devices three years after the device's first sale.