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Provider: Pro-Logic Technologies, Kangari Building, Nairobi
The accelerometer is a MEMS (Micro-Electro-Mechanical System) sensor that measures the phone's acceleration forces along three axes — detecting orientation, movement, tilt, and sudden impacts. It is what makes your screen rotate when you turn the phone sideways, enables step counting in fitness apps, and allows games to use physical tilting as a control input. The accelerometer is typically integrated alongside the gyroscope and other sensors into a combined IMU (Inertial Measurement Unit) chip soldered to the motherboard.
Symptoms of Accelerometer Failure
- Screen auto-rotation stops working — display stays portrait regardless of phone orientation
- Step counter / pedometer in fitness apps shows no activity
- Games using tilt controls no longer respond to physical movement
- Maps and navigation apps cannot determine device orientation
- Symptoms appeared after a hard drop or liquid damage event
Before attributing these symptoms to hardware failure, confirm that auto-rotate is enabled in settings and test in multiple apps. Software glitches can mimic sensor failure and are resolved by a settings reset or software update.
Estimated Accelerometer Repair Costs in Nairobi (2024–2025)
| Device Category | Labour (KES) | Parts (KES) | Total Estimate (KES) |
|---|---|---|---|
| Budget Android — IMU chip replacement | 3,000 – 5,500 | 800 – 2,500 | 3,800 – 8,000 |
| Mid-range Android | 3,500 – 7,000 | 1,200 – 3,500 | 4,700 – 10,500 |
| Samsung Galaxy S-series | 4,500 – 8,500 | 1,500 – 4,500 | 6,000 – 13,000 |
| iPhone (all models — IMU chip) | 4,500 – 9,000 | 1,500 – 4,500 | 6,000 – 13,500 |
The accelerometer is a board-mounted BGA or LCC chip. Replacement requires micro-soldering and post-repair sensor calibration. On some devices it is combined with the gyroscope in a single package; replacing one may replace both.
Software Calibration After Repair
Post-replacement accelerometer calibration is performed using manufacturer diagnostic tools or third-party calibration apps to ensure the sensor reads correctly across all axes before the phone is returned.
Pro-Logic Technologies at Kangari Building, Nairobi performs IMU sensor replacement with post-installation calibration for all major phone brands.
