Instructions to reset, hard reset, factory reset or restore Four devices

How to reset, reset, factory reset, hard reset on Four devices step-by-step, instructions for formatting and deleting all content on Four brand devices.
Resetting a Four 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.

Four S300 Four S300
Four S185 Four S185
Four S600 Four S600
Four S555 Four S555
Four S40 Four S40
Four S300I Four S300I
Four K500 Four K500
Four S710 Ruby Four S710 Ruby
Four S61 Four S61
Four S180 Four S180
Four S151 Four S151
Four S150 Four S150