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3 September 2017

How to Solve Kaypad Fault in any Mobile Cell Phone

This chapter explains Mobile Phone Keypad Problem and Solution – Mobile Phone Keypad not working and How to Solve Keypad Fault in any Mobile Cell Phone. These problem and solution apply to all brands and make of mobile phones including Nokia, Samsung, iPhone, China Mobile Phones, Motorola, HTC, Sony, Blackberry, Alcatel, Apple, AudioVox, Benefone, Danger, FIC, Hagenuk, Palm, Kyocera, LG, Panasonic, Huawei, ZTE, Spice, Lava, Sony Ericsson, Micromax etc.
What is Keypad in a Mobile Cell Phone?
Keypad in a mobile cell phone is an electronic component or part that helps to enter data like phone numbers and alphabets and operate a mobile phone. Some mobile phones are screen touch and are operated by PDA.
Types of Faults or Problems with Keypad in any Mobile Cell Phone
  • No Key Working or only Some Key Working.
  • Keys need more pressure to work. Or when pressed a key works continuously.
  • One key is pressed and some other key works OR when one key is pressed, some other key works simultaneously.
Mobile Cell Phone Keypad Not Working Problem and Solution – How to Solve Keypad Fault in any Mobile Cell Phone

  1. Check Facial of the Keypad.
  1. Mobile Phone Keypad Track Row Column
  2. Clean Key pad Tikli and Keypad Points.
  3. Keep Multimeter in Buzzer Mode and Check Row and Column of the Keypad. If there is Beep Sound then Pad is OK.
  4. Heat or Change Keypad IC / Interface IC.
  5. Heat, Reball or Change the CPU.
Note:
  1. In a Mobile Phone, when we press a Key and it works very slow then Reload Software to Solve the Problem.
  2. In all Nokia Mobile Phones, if only some key works or none of the keys are working then change the Keypad IC to solve the Problem.
  3. If Keypad problem is not solved by Hardware, then reload Software in the Mobile Phone to Solve the Problem.

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