I already talked much about this Custom Binary Blocked By FRP Lock issue, so without any further due let’s start to bypass/remove this type of error. For the convenience of readers, I already tried this method on too many Samsung galaxy devices, and every time this technique helps me to solve the problem when it happens on my Samsung mobile.

Force restart your phone

Restarting your Samsung device forcefully is simple and does not take much time.

It fixes the temporary software error problem and stops all the background operations running in the background. All you need to do is:

• Press and hold the Power On/Off button + Volume Down button simultaneously for 5-7 seconds.

 

• Wait for 1-2min for the reboot and start again normally.
• Then check on your device screen Custom Binary Block error message does not pop-up this time.

If the above process is not working now then follow the below next step to fix the issue.

Factory reset in Recovery Mode

• Put your Samsung mobile into the Recovery Mode,

Another useful method to Unlock/bypass the FRP Lock error is to perform a factory reset on your Samsung Mobile by booting your device into the Recovery Mode. To Do:

• Press and hold the Power On/Off +Home+ Volume Up button together until you see the Android Repair logo or a screen with multiple options appear.

• Now use the Volume Up and Down key to select the “Wipe Data/Factory Reset” and using the Power On/Off button to confirm the Factory Reset, the screenshot below.

• Wait for a few times to get over the process for your phone to restart your device normally.

Make Sure: you will lose all of your personal data and device settings stored on the phone after performing a factory reset. Now be prepared to set-up your phone after the process is over.

If any of these above processes are not working to Fix the Custom Binary Blocked by FRP Lock error and your device is refusing to boot up normally then follow the final methods: flashing the same Bootloader version of stock firmware on your phone.

Flash Stock Firmware

I assure you this last method helps me to fix the problem 9 out of 10 times. So it is definitely a worth try.

• Follow all the below steps very carefully to flash the firmware on your phone. Do not rush or skip any of the below steps.

• Now Visit on Sammobile and download the latest updated Stock Firmware for your phone by entering the correct device model number.
• Then Download the very latest version of Odin Flash Tool.
• Extract the firmware using 7Zip or Winrar.
• Now, Power Off your Samsung device and enter the Download Mode.
• Press and hold the Volume Down +Home + Power On/Off button together for about 6-7 seconds until your device Bootup.
• Once the Samsung Download Mode screen appears, press the Volume Up button to continue.
• If Your device doesn’t have any home key button then follow this process to continue:

• Press and hold the Volume Down key and connect the USB cable and confirm to Press Volume UP key.

 

• Now Run the Odin tool on your PC by with Administrator permission,
• right-click on the Odin.exe and select “Run as Administrator”.

• Odin window will open before you.
• Make Sure, always use an original or Good Samsung USB Cable to connect your Samsung phone to the computer.
• Install the Samsung USB Driver on your Phone.
• Now check Odin tool it will recognize your device and add it to its main window on the computer.

• Click on the “AP”, “CP”, “CSC” button and select the same respective types of file from the extracted firmware folder that you downloaded previously.

• Once you select all the required file types, click on the “Start” button to start flashing your Phone.
• Wait for a 10-15minutes to flashing process over.
• Once the flashing process is finished the Odin window will show you the “Pass” message and your device will be rebooting.

• That’s it.