I am new to this, I have read what I can, but nothing helps
Got the FRP unlocker dongle and installed software bought activation key and I am trying to unlock FRP but I keep getting this error ( my model says it is supported )
Platform: SAMSUNG
Selected model: SM-T280
Selected port: COM15
To put SM-T280 into Download Mode, You have to perform the following steps:
1. Reconnect the battery.
2. Press and hold "Volume-" + "Home" + "Power ON" keys.
3. When phone turns on, press "Volume+" key.
Searching for a phone. Please wait...
Phone found.
Initializing..
Resetting FRP lock..not supported
Resetting EE lock..not supported
Resetting Samsung Account lock..not supported
Operation was failed!
Performed by 1.7.5.0 Software version.
Any help would be appreciated