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Wi-Fi Module: Mobile Phone Spares
The Wi-Fi module handles wireless LAN connectivity — the 2.4GHz and 5GHz 802.11 standards, and in newer devices Wi-Fi 6 and Wi-Fi 6E. In most smartphones it is a combined chip also incorporating Bluetooth, making it a Wi-Fi/Bluetooth combo IC rather than a dedicated Wi-Fi-only component.
Integration and Location
The Wi-Fi/Bluetooth combo chip is typically mounted in the upper or lower section of the motherboard, close to its antenna connections. It communicates with the application processor via PCIe or SDIO interface. The chip is a BGA component and is not user-serviceable in any conventional sense — it requires micro-soldering for replacement.
Diagnosing Wi-Fi Faults
Before concluding the Wi-Fi module has failed, the repair process should confirm that the Wi-Fi is disabled in software (a toggled-off switch or an MDM profile), that the antenna connection is intact (a disconnected antenna flex causes weak signal but not total failure), and that the fault is consistent across multiple networks and router types.
A greyed-out Wi-Fi toggle in the settings — where the switch cannot be turned on — with no improvement after a factory reset typically indicates a hardware fault. Occasionally this is a firmware issue that requires a software flash to resolve.
Repair in Nairobi
Wi-Fi module replacement on a smartphone is uncommon in Nairobi's repair market due to the integration with Bluetooth and the BGA package requiring hot-air rework. Where available, the procedure and cost are similar to other chip-level repairs: component KES 500 to KES 2,000, labour KES 2,000 to KES 5,000.
