If you have a Samsung Galaxy A7 (2017) SM-A720F/FD on Binary 6(U6) with a forgotten screen lock, even with FRP ON, you can successfully remove the screen lock without losing your data on the device.
This short tutorial on how to remove screen lock on Samsung Galaxy A7 2017 SM-A720F/FD U6 Binary without data loss will work even with FRP(factory reset protection) ON.
To successfully remove lock screen password/pattern or PIN on the Samsung Galaxy A7 2017 SM-A720F/FD, follow the step by step instruction below.
How To Remove Screen Lock On Samsung Galaxy A7 (2017) SM-A720F/FD U6 Without Data Loss
Step 1: Download and install Samsung USB drivers on your PC
Step 4: Put your Samsung Galaxy A7 (2017) SM-A720F/FD into Download mode by pressing Volume Down + Home button + Power button, let go of the power button and press volume up to confirm booting into Download/Odin mode
Step 5: Connect your Samsung Galaxy A7 (2017) to the PC via a USB data cable.
Step 6: Open Odin from the Odin file folder you extracted in step 2
Step 7: Click on AP, locate and select (sboot_a720f-binary-6.tar) you downloaded in Step 3.
Step 8: Click on the Start button to flash the file.
NOTE : After flashing the (sboot_a720f-binary-6.tar) file, the phone will restart, but make sure you quickly press Volume Down + Home button + Power key to boot it back to Download mode.
Step 9: Close and reopen Odin again, then extract and load the second file in Step 3, A720FXXU6CRJ7_XXV file via AP and flash it too. Your Samsung J3 2016 will restart.
Step 10: Once your phone boots up, you can access your data again and also do a backup to keep the files safe. For your device to be more stable after the screen lock bypass/reset, you should flash/reinstall the stock firmware again via Odin.
Below is a video on how to remove screen lock on Samsung Galaxy A7 (2017) SM-A720F/FD U6 without data loss.