@LATTERHOUSEDOM do as instructed in the below comment to do a hard reset. make sure you know google account and password with which the phone is currently signed in.
You may do a hard reset after powering off the device by pressing Volume Up + Bixby + Power Button at the same time. Once the phone vibrates and logo comes release them. Choose to wipe all and reset by moving through the menu using Volume up down buttons.
Now when you are in the "recovery mode" you will get a similar screen like the one shown in the image below.
Here select "wipe data/factory reset" and execute. Please use the vol up and down buttons to toggle through the options and power button to confirm/execute the selection.
Once done go back to the recovery mode main menu and select "reboot system now". Now while rebooting enter into the recovery mode again using the same procedure.
2. Now download the zip file, DM Verify Disabler from this link. Make sure that you download the latest version.
3. After that please copy the downloaded file to your Galaxy Smartphone's root folder and reboot it into recovery mode again. 4. Once done select the option "install zip from sdcard" in the recovery mode main menu and flash the downloaded file on your phone.
That's it guys, now you can flash or root your Samsung Galaxy Smartphone with any compatible file. Make sure you perform "Wipe Dalvik, Cache" after.
Normal queries for this tutorial
How to resolve the error, "Verification Failed, Unable to restart your device. The Integrity verification has failed. You need to reset your device to factory default settings. This will erase all your data."on my Samsung Galaxy Smartphone?
If you have faced any issues while trying to resolve the error, "Verification Failed, Unable to restart your device. The Integrity verification has failed. You need to reset your device to factory default settings. This will erase all your data.", please feel free to post it in the comment section below, don't worry I will help you as fast as I can.
