How to remove the pattern in Android without factory reset Unlock blocked pattern without losing data!

Requirements: Aroma File Manager + A memory card for device.
+ Your Android device must be blocked by pattern blocking or password blocking.
How?
1. After downloading "Aroma File Manager", place it on your card [SD CARD] Insert the card into your locked Android device.
2. Open the Stock Recovery Mode by restarting your Android device and simultaneously pressing the PowerKey and VolumeUp keys. Different phones can have different methods to open the inventory recovery mode, so if you have any problems, comment and I will give you the solution.
3. After entering the recovery mode, use the volume + and volume buttons to scroll up and down. To select the power button or the start button.
4. From there, click on "Install zip from SD card" and navigate to where you placed the "Aroma File Manager", click on and install it.
5. After installation, it will open in recovery mode.
6. From the "Aroma File Manager", navigate to the configuration >> go to the bottom and click on "Automount All Devices On Start" and then exit.
7. Repeat steps 4 and 5 again.
8. After this, it will reopen "Aroma File Manager".
9. Now navigate to Data folder >> System folder and search >> "key.key" or "key.key" for pattern blocking or password lock respectively.
10. Delete that file and then exit "Aroma File Manager" and restart your device. After restarting, you will notice that the password or pattern will not yet be deleted. But do not worry, draw any random patterns that your device will unlock, but remember that pattern.