Manual Factory Reset
It is a simple 6-step process which I am gonna show in a more interactive way through screenshots.
Step 1: Ensure the mobile is plugged in or has sufficient battery to undergo the reset process.
Step 2: Open the Settings app.
Step 3: Select System settings/more settings.
Step 4: Go into Reset options.
Step 5: Hit Erase all data (factory reset).
Step 6: Allow the smartphone to do its things
How To Factory Reset Your Smartphone?
A factory reset, otherwise called a hard reset or master reset, is a product re-establish of an electronic gadget to its unique framework state by deleting all the data put away on the gadget. A console input button factory reset is utilized to re-establish the gadget to its unique producer settings. Doing so will really delete the information, settings, and applications that were all beforehand on the gadget.