Yes, for bypassing FRP on devices you own. It is illegal to use on stolen devices. Many technicians use it daily for legitimate repairs.
Android 9 introduced tighter security patches, making traditional bypass methods like the "Browser Sign-in" technique more difficult. GSMPrime Online works by interfacing with the device's system settings or utilizing specific server-side exploits to clear the Persistent Configuration (persists) partition where Google account data is stored [2, 3]. Key Features of GSMPrime Online for Android 9 gsmprime oline frp android 9 work
Its key feature is without needing direct physical access to the phone’s motherboard or complicated JTAG boxes. Yes, for bypassing FRP on devices you own