High-end GSM technicians use hardware boxes (like Octoplus, Z3X, or Easy JTAG). FRP Neo often acts as a software front-end that "links" to these GSM dongles. The "Neo GSM Link" implies a hybrid workflow: use Neo for the Google lock, use the GSM box for network/carrier locks.
Unlocking the Obstacle: An Insight Into GSMNeo FRP Factory Reset Protection (FRP) is a robust security measure designed by Google to prevent unauthorized access to Android devices after a factory reset. While effective at deterring theft, it often leaves legitimate owners stranded if they forget their Google account credentials. GSMNeo FRP frp neo gsm link