Yes. Your EZVIZ product is warranted for a period of one (1) year [two (2) years for EU regions] from the date of purchase.
Click here for more information on EZVIZ's limited warranty.
Make sure you close the Wi-Fi guard mode.
Press the reset button for over 6 seconds until the light flash white, and the router will be rebooted to complete the process.
Yes. W3 supports 2.4GHz and 5GHz dual band.
After reset, the password will become “last 4 digits of SN No.” + ”verification code(6 upper case letters)”.