How to Fix WiFi Issues on Redmi Note 5 Pro Redmi Note 5 Pro (codename: whyred) is experiencing WiFi problems—such as the toggle being greyed out, failing to turn on, or refusing to connect—it is often due to a corrupted persist partition or a software bug. Below are the high-quality methods to fix these issues. 1. Run a Hardware Diagnostic (CIT Mode)
Requirements: An unlocked bootloader and TWRP Recovery installed. The Process: Boot into TWRP by holding Volume Up + Power. Go to Install > Install Image.
The Redmi Note 5 Pro has a coaxial antenna cable connecting the motherboard to the bottom sub-board. It loosens over time.
Symptoms: The Wi-Fi toggle is greyed out, or it turns on but never scans for networks. This is common after flashing a ROM that does not include the necessary firmware blobs or flashing a custom kernel incompatible with your current Android version. Cause: The operating system cannot communicate with the Wi-Fi chipset because the drivers are missing, corrupted, or mismatched.
