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Proximity Sensor Replacement Service in Nairobi
When a proximity sensor has failed conclusively at the hardware level — confirmed through diagnostic testing after ruling out software faults, screen protector obstruction, and dust contamination — replacing the sensor component restores the automatic screen-off function that makes hands-free calling comfortable and accurate.
In most smartphones, the proximity sensor is part of a front sensor array that may also include the ambient light sensor and, in some devices, an infrared LED for face unlock. These components are typically mounted together on a small flex cable positioned near the earpiece speaker at the top of the display assembly. Replacing a failed proximity sensor involves accessing this flex cable and either replacing the sensor component individually or replacing the entire front sensor flex assembly.
Prologic Technologies on Luthuli Avenue sources the correct sensor assembly for each device model and carries out the replacement with careful attention to sensor positioning — the proximity sensor must be correctly aligned with the sensor window on the device housing for accurate detection at the appropriate distance. Misalignment results in a sensor that either triggers too early or not at all.
After replacement, the sensor is calibrated and tested using a call simulation that confirms the display correctly turns off when the device is held to the ear and turns back on when moved away. Ambient light sensor function is also verified simultaneously if it shares the same flex cable as the replaced proximity sensor.
Proximity sensor replacement is available for Samsung, iPhone, Tecno, Infinix, Huawei, Xiaomi, Oppo, and other brands. Most replacements are completed same-day.
Luthuli Avenue, Nairobi CBD 0723 763 173
