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A known issue with the Redmi Note 5 Pro involves the internal RF coaxial cable connecting the motherboard to the antenna strip in the top chassis.
Explain the problem: some Redmi Note 5 Pro units experience Wi‑Fi dropouts, weak signal, or inability to connect after firmware updates or modem/baseband mismatches. The community solution is an extracted/modified Wi‑Fi fix file (often a firmware blob or patch to the wireless driver/config) known as an “extra quality” fix that claims improved stability and throughput.
Symptoms: Wi-Fi turns on but constantly disconnects, gets stuck at "Obtaining IP address," or shows very weak signal even when sitting next to the router. Often accompanied by Bluetooth issues (Bluetooth won't turn on or stutters). Cause: The Qualcomm WCN3990 Wi-Fi/Bluetooth combo chip is physically damaged, often due to overheating or a short circuit in the RF (Radio Frequency) power amplifier. This is a known hardware defect in some batches of the SD636 platform.
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A known issue with the Redmi Note 5 Pro involves the internal RF coaxial cable connecting the motherboard to the antenna strip in the top chassis.
Explain the problem: some Redmi Note 5 Pro units experience Wi‑Fi dropouts, weak signal, or inability to connect after firmware updates or modem/baseband mismatches. The community solution is an extracted/modified Wi‑Fi fix file (often a firmware blob or patch to the wireless driver/config) known as an “extra quality” fix that claims improved stability and throughput.
Symptoms: Wi-Fi turns on but constantly disconnects, gets stuck at "Obtaining IP address," or shows very weak signal even when sitting next to the router. Often accompanied by Bluetooth issues (Bluetooth won't turn on or stutters). Cause: The Qualcomm WCN3990 Wi-Fi/Bluetooth combo chip is physically damaged, often due to overheating or a short circuit in the RF (Radio Frequency) power amplifier. This is a known hardware defect in some batches of the SD636 platform.