Hi, guys! Recently we’ve made a post about few just released custom ROMs for Xiaomi Redmi 4X. Here’s a tutorial on how to fix WiFi not working issue on Redmi 4X with custom ROM installed. Follow this guide if Redmi 4X MAC address is missing “-02 00 00 00 00 00” and you can’t turn WiFi on.

How to fix WiFi on Redmi 4X Custom ROM

  1. Open ES Explorer and go to “System” > “etc” > “wifi”;
  2. Copy WCNSS_qcom_cfg.ini
  3. Now go to “data” > “misc” > “wifi”;
  4. And paste the WCNSS_qcom_cfg.ini file here.
  5. Now WiFi is working and could be turned on without even rebooting your Redmi 4X device.