Instructions to reset, factory reset, factory reset or restore SK devices

How to reset, reset, factory reset, factory reset on SK devices step-by-step, instructions for formatting and deleting all content on SK brand devices.
Resetting a SK is very simple by following the correct steps, find your model and find a way to perform the reset step-by-step. Performing a factory format or reset is very useful when you want to sell or give away your mobile device, or it works very slowly due to lack of space.

SK W15 SK W15
SK Telesys S170 SK Telesys S170
SK Telesys S100 SK Telesys S100