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Provider: Pro-Logic Technologies, Kangari Building, Nairobi
FM radio remains popular in Nairobi — for news, traffic updates, and entertainment during commutes. Many Android smartphones include a built-in FM radio receiver that uses the headphone cable as its antenna. When this circuit fails, a free and accessible media source disappears.
What Is a Phone FM Radio Circuit?
The FM radio circuit is typically part of the audio or connectivity combo chip. It receives FM frequencies (87.5–108 MHz) and routes the audio signal to the headphone output or speaker. The headphone cable doubles as the receiving antenna — which is why FM radio usually requires wired earphones to be plugged in.
Common Causes of FM Radio Circuit Failure
- Disabled by manufacturer — some devices have the hardware but FM is disabled in software; check if your model supports FM radio
- Audio jack damage — since the headphone jack doubles as the FM antenna input, a damaged jack disrupts FM reception
- Combo chip failure — the FM receiver sits within the audio or connectivity IC; board damage affects it
- Software or app issue — try a different FM app or clear app cache before seeking hardware repair
Repair vs. Replacement: What to Expect
At Pro-Logic Technologies, Kangari Building, Nairobi, FM faults are diagnosed by first confirming FM is software-enabled, then testing the audio jack, and finally checking the combo IC.
Estimated costs in Nairobi:
| Repair Type | Approximate Cost (KES) |
|---|---|
| Diagnosis / assessment | 500 – 1,000 |
| Audio jack replacement (restores FM antenna) | 2,000 – 5,000 |
| Combo IC repair (FM section) | 6,000 – 14,000 |
Turnaround Time
Audio jack replacement takes one business day. IC-level repair takes two to four days.
Should You Repair or Replace Your Phone?
If FM radio is the only issue, weigh the repair cost against how much you use the feature. If the audio jack is also faulty, replacing it kills two birds with one stone.
Pro-Logic Technologies handles FM radio circuit diagnostics at Kangari Building, Nairobi.
