⚠️ Critical Step: Match Your Model Number
The Tecno Spark 8 series has multiple distinct models. The charging flex boards are not universally interchangeable. Check your phone settings (Settings > About Phone) to ensure you match the exact board variant:
- Tecno Spark 8 (Standard): Model KG6 or KG6k
- Tecno Spark 8C: Model KG5k, KG5j, or KG5n
- Tecno Spark 8 Pro: Model KG8
- Tecno Spark 8T: Model KG6p
🛠️ Common Symptoms of Failure
- The phone only charges when the cable is held at a specific, tight angle.
- The device does not show a charging lightning indicator at all.
- Callers cannot hear you (the main microphone is soldered directly onto this charging board).
- Headphone jack functions incorrectly or fails.
💡 Installation Warnings
- Dry Test First: Connect and test the flex cable to ensure your phone charges before screwing down the components or applying internal adhesive. Do not tear off any protective film until you know the part functions.
- Fragile Connectors: The ribbon strips are ultra-thin. Pressing down too hard or misaligning the pins during installation can permanently break the mainboard connection.
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