is struggling with network connectivity or IMEI issues, professional technicians often use the following solutions:

remains a capable secondary device or budget option . Here’s a quick look at what’s under the hood: Samsung Galaxy J5 Prime - Unboxing & First Look! (4K)

: If your phone shows "Unknown" under Baseband version in settings, it may require a modem file flash or a deep software reset to reconnect the hardware and software layers .