j7 max g615f/ds feb 2018 security frp remove done
connect to wifi enable talk back by 3 time pressing on home button Now draw L on screen now disable talk back type on search bar (Voice)and download quick shortuct maker
install.quick shortcut maker. apps and open it
search for calculator and click on it
now click on try arrow text and calculator open
nowtype this code on calculator,..,,. (+30012012732+ 
default calculator app now opened
now enter code *#0808#
select ap and on usb setting select dm+modem+adb and click on reboot 
reboot phone and insert usb cable into pc
now you can see ..allow usb debuging ..option on your phone menu
click on always allow usb debug
now your phone ADB interface is enabled
use any adb frp bypass tool OR software box to frp reset
Code:
UNLOCK INSTRUCTIONS:
1. Power on the phone.
2. Tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options',
go to 'Settings'-'Developer options' and enable 'USB debugging'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Select device in ADB settings.
5. Press 'Read codes' button to read security codes.
To reset Google account activation lock:
1. ADB must be activated in any way (you can flash sBoot from combination firmware,
make sure, that you are not upgrade sBoot).
2. Connect the phone to PC with USB cable, install drivers if needed.
3. Select device in ADB settings.
4. Press 'Reset FRP' and follow the instructions in program.
5. When process done, press 'Back' on phone and perform factory reset from phone settings.
Operation: Reset FRP
Selected model: SM-G615F
Software version: 29.9
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-G615F
Android version: 7.0
Product code: SM-G615FZKDPAK
Phone version: G615FXXU2ARA3
PDA version: G615FXXU2ARA4
CSC version: G615FODD2ARA4
CSC country code: PAKISTAN
CSC sales code: PAK
HW version: MP 0.200
Phone SN: R28K13QQK4K
Chip name: MT6757
Modem board: MT6757
Security patch: 2018-01-01
RF cal date: 20180125
IMEI: 358514081453696
Bypass FRP... OK
For complete reset FRP, goto 'Backup and reset' and make 'Factory data reset'
Done with Samsung Tool PRO v.29.9 