Typically, IMEI repair on Samsung devices involves a complex, multi-step workflow: Unlocking the bootloader. Rooting the smartphone. Repairing the IMEI using a service tool.
The is a specialized firmware component used primarily for IMEI repair and restoring network services on the Samsung Galaxy J7 Prime (SM-G610F) . The "U1" designation indicates it is designed for devices running Binary 1 (Bit 1) bootloaders. Technical Overview g610f u1 auto patch file