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

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

DNS S4001 DNS S4001
DNS S4701 DNS S4701
DNS S5004 DNS S5004
DNS S5009 DNS S5009
DNS S4509 DNS S4509
DNS S4703 DNS S4703
DNS S4007 DNS S4007
DNS S5001 DNS S5001
DNS S4503Q DNS S4503Q
DNS S4505M DNS S4505M
DNS S5301Q DNS S5301Q
DNS S4507 DNS S4507
DNS S5301M DNS S5301M
DNS S3502 DNS S3502
DNS S4502 2SIM DNS S4502 2SIM
DNS S4502M DNS S4502M
DNS S4504 DNS S4504
DNS S4006 DNS S4006