How To Restore Firmware Via iTunes in DFU Mode
Reestablishing iPhone firmware is a decent method for escaping specific programming issues that your gadget might be encountering. It can fix practically all iOS issues incorporating iPhone being caught in Recovery Mode, being stuck on the Apple logo, basically showing a dark screen, etc.
How to use iDNSPortal
To connect to iDNSPortal XMLUI you need to connect any Wi-Fi network. You don't need to enter DNS or Proxy, they should be in Auto mode.