1- Follow the steps in this video
https://www.youtube.com/watch?v=k9A4vJi08yY
2- download and install these applications APEX LAUNCHER
FlasherWarez.apk
3- choose the model -J700M we give Reset Frp
4- I did hard reset by the buttons because it stays decrypting the memory when you turn it on and ready
Operation: Reset FRP
Selected model: SM-J700M
Software version: 33.8
You must activate ADB before reset FRP Yes
Goto 'Terms and conditions' press 'NEXT' and 'AGREE' EULA Yes
Waiting ADB device ... OK
Reading phone info ...
Model: SM-J727T1
Android version: 8.1.0
PDA version: J727T1UVU3BRH3
CSC version: J727T1TMK3BRH3
Phone version: J727T1UVU3BRH3
Product code: SM2J727TZDATMK
CSC country code: USA
CSC sales code: TMK
Phone SN: R28JB0VM0JW
IMEI: 355620xxxxxxxxx
HW version: REV0.7
RF cal date: 20171108
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2018-06-01
Boot Warranty bit: 0
Incorrect model selected. This may damage your phone. Continue? And it is
Bypass FRP ... OK
For complete reset FRP, goto 'Backup and reset' and make 'Factory data reset'
Done with Samsung Tool PRO v.33.8