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Provider: Pro-Logic Technologies, Kangari Building, Nairobi
While the WiFi module refers to the chip itself, the WiFi circuit encompasses the full signal path — from the combo IC, through the RF front-end, filter components, antenna switch, and finally the antenna. A fault anywhere along this circuit can kill WiFi performance just as completely as a failed chip.
What Is a Phone WiFi Circuit?
The WiFi circuit is the complete RF (radio frequency) signal chain that enables wireless communication. It includes the WiFi IC, supporting passive components (capacitors, inductors, resistors), RF filters, a band switch, and antenna trace connections. All must work in concert for reliable WiFi operation.
Common Causes of WiFi Circuit Failure
- Damaged RF filters — small surface-mount filters near the antenna are easily cracked by board flex
- Broken antenna trace — a hairline crack in the PCB antenna path causes signal loss
- Corroded passive components — moisture attacks the tiny components along the RF path
- Failed antenna switch — the switch that routes signals between WiFi, Bluetooth, and other bands can fail
Repair vs. Replacement: What to Expect
At Pro-Logic Technologies, board-level diagnosis maps the WiFi signal path to isolate which component has failed. RF filter and passive component replacement is achievable with the right micro-soldering tools and component inventory.
Estimated costs in Nairobi:
| Repair Type | Approximate Cost (KES) |
|---|---|
| Diagnosis / assessment | 500 – 1,500 |
| RF filter / passive component replacement | 3,000 – 8,000 |
| Antenna trace repair | 4,000 – 9,000 |
| Full WiFi circuit board repair | 8,000 – 20,000 |
Turnaround Time
Component-level circuit repair typically takes two to four business days depending on parts availability.
Should You Repair or Replace Your Phone?
WiFi circuit repairs are technically demanding. Ensure the repair is carried out by a skilled technician with board-level experience, as improper work can cause further damage.
Pro-Logic Technologies offers advanced WiFi circuit diagnostics and repair at Kangari Building, Nairobi.
