How to Fix 7, 8, 9, 0 Button Problem on TECNO & ITEL Button Phones In this video, I will show you step-by-step how to fix the keypad problem where the 7, 8, 9, and 0 buttons are not working on any TECNO or ITEL button phone. This is a very common issue caused by keypad film damage, dirt, moisture, or PCB line faults. ✅ What you will learn in this video: Causes of 7-8-9-0 button not working How to test the keypad correctly Cleaning and repairing keypad contact points Simple PCB line repair method
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