A common design flaw in some iPhone 7 models (particularly the A1660 Qualcomm version) leads to "No Service" errors because the baseband chip loses connection with the logic board. In these cases, the IMEI often disappears from the Settings > General > About menu.
These tools are designed to fix software-related glitches that prevent the IMEI from displaying or being recognized by the network. iphone 7 imei repair tool
Occasionally, a failed iOS update or a botched jailbreak can corrupt the device’s NVRAM, causing the IMEI to become "invalid" or missing. Top iPhone 7 IMEI Repair Tools 1. Software-Based Repair Tools A common design flaw in some iPhone 7