Disassemble the phone, ground the test point, connect the USB cable, and select "Remove FRP" under the HiSilicon tab.
Find the for your specific model (STK-L21 vs STK-L22). Step-by-step instructions for UnlockTool or UMT . y9 prime 2019 frp unlock tool
: Entering Recovery Mode (Volume Up + Power), wiping data, and then selecting "Safe Mode" to access the main settings and "Reset All Settings". Disassemble the phone, ground the test point, connect
Maintain at least a 50% battery charge. A sudden power loss during partition erasing can permanently corrupt the device partition table (hard brick). : Entering Recovery Mode (Volume Up + Power),
Professionals frequently use paid "dongle-based" or subscription software for one-click FRP removal.
Early security patches allow manual browser exploits. Security patches released after 2020 generally require a PC-based tool utilizing Test Point (Hardware) Mode or Fastboot/ERecovery Mode . Top Huawei Y9 Prime 2019 FRP Unlock Software Tools