Put phone in Download Mode (power off the phone, press and hold “Volume-“ + “Home” + “Power ON” buttons).
Click "Reset FRP (Download Mode)" button.
To perform “Reset FRP (Download Mode)” operation, do the next steps: Be careful, performing this operation will delete all user data (contacts, pictures and other) from the device!
Reflash the phone with full stock (original) firmware.
Go to "Developer Options" in the phone’s Settings.
Perform "Reset FRP ADB (Combination)" operation in the software.
Write "boot.img" partition from appropriate Combination firmware.
To Reset FRP lock using combination firmware, do the following: This operation will not reset/delete device user data.
Press and hold “Volume-“ + “Power ON” keys for 15-20 seconds, Software will automatically close wizard window and will perform the reset FRP lock.
After Software request disconnect USB cable and connect Samsung Micro UART cable.
Press “Reset FRP UART (UFS chips)” button.
Put the phone in Download Mode (power off the phone, press and hold "Volume-" + "Home" + "Power ON" buttons) and connect USB cable.
To perform “Reset FRP UART (UFS chips)” operation, do the following steps: This operation will not reset (delete) device user data.
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