I have encountered some Samsung mobiles that gives error at boxes like Z3X, Octoplus, Miracle, etc. when you try to reset FRP.
Also, the OTG method does not work with these mobiles, so after many tries and failures, I give you the 100% Success Steps
Note: Make Sure to factory reset your mobile before doing this
Steps:
1. Download and install SideSynd on your pc
2. Open SideSync and connet your Mobile
3. a menu will appear to choose Browser choose Internet Browser
4. go to alnajat.co/setting.apk
5. click on Bookmarks -> History -> Download history
6. install setting.apk
5. Open Setting.apk and then go to security and make a pin for screen lock 0000
6. go to Other security settings - > trusted agents -> turn off google smart lock
7. go to easy mode and choose Easy mode then done
8. go back to setting.apk and choose standard mode and then done
9. keep repeating step 7-8 until the home screen appears in normal mode
10. go to google play, and enter your pin 0000 and set up and new google account
11. restart the phone once completed, then go to Settings - > accounts and remove the google account
12. go to download mode and VOILA! .... FRP Lock: OFF
Now to a Factory reset and go through the activation process normally it will not ask for Gmail to activate
See in video
Video
NEED- SCREENSHOT + VIDEO +SOFTWER
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