You do not need to download ANY third party software or even connect your phone to computer to remove any screen lock on your phone.
You will lose all data on the phone following the steps below:
You simply turn off the phone (If you are having difficulties just hold power + volume down + home to force shut down phone). Hold volume up + power button and home button. Stop holding the power button + home button + volume up button when the Samsung logo appears and/or a blue text at the top left of the screen says booting to recovery.
Once it has booted to the Android recovery use the volume up and down keys to select / highlight a option.
Select the wipe data / factory reset option and use the power button to select this option.
Edit: If it asks for a Google and or Samsung account and password, it means the device has FRP (Factory Reset Protection) lock enabled which you can bypass using the method provided here:
http://forum.gsmhosting.com/vbb/f777/uni...
You can additionally downgrade from Android 7.0/7.1.2 Nougat back to Marshmallow 6.0.1 (IIRC maybe also 6.0).
If the method linked does not work there are plenty other methods which you will need to look around for.
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For the Samsung phone those which is locked by forgotten password or without password, you can try using the Samsung Galaxy Recovery to unlock your Samsung phones or tablets without losing data.
You can read the details from:
How to Remove Password on S7 Edge
How to Restore Lost Data on S7 Edge
crwdns2934271:0crwdnd2934271:0 callernt crwdne2934271:0
First, launch Samsung Galaxy Recovery and you will see four functions are listed on the left column. Here, you should go to "More Tools". Then choose "Samsung Lock Screen Removal". Then...
crwdns2934271:0crwdnd2934271:0 Pudfuen crwdne2934271:0
good topic and useful too.
crwdns2934271:0crwdnd2934271:0 lixiaobo558 crwdne2934271:0
Here you can solve this problem : http://www.imeichanger.net/sim-network-u...
crwdns2934271:0crwdnd2934271:0 angelovblaze crwdne2934271:0
Prevent a seemingly unsolvable phone lock-out=here is some straightforward & common-sense advice. After you get a new device, install a micro-SD card & load all your desired apps. BEFORE YOU SET ANY LOCK PIN/PASSWORD/PATTERN-REGISTER YOUR PHONE ON A SAMSUNG ACCOUNT! Enable auto-backups of apps/themes/SMS/texts/contacts, etc, in the Samsung Account, save all media that you can to the micro-SD card (back this up too on PC), then proceed with your lock settings. Then, if you run into a situation like I did, where Google Device Manager and/or Samsung Find My Device functions for resetting the password fail, REMOVE your micro-SD card & do a FACTORY RESET. This WILL erase ALL data from your device. BUT, when you turn it on & go through the initial set-up, just log-in to your Samsung Account & click on RESTORE! YOU DON'T HAVE TO REINSTALL EVERYTHING-ALL APPS/SETTINGS/SMS/TEXTS w/PICS/CONTACTS/APPS/THEMES/WALLPAPERS/RINGTONES/CALENDARS/CLOCKS...YES, EVERYTHING, will be restored to your phone, as of the latest backup date & time!
crwdns2934271:0crwdnd2934271:0 Veronica J Rorrer Miller crwdne2934271:0
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