MOBILE PHONE KEYPAD NOT WORKING PROBLEM & SOLUTION

Mobile Phone Keypad Not Working | Problem and Solution

Learn to Fix Mobile Phone Keypad Not Working – Problem and Solution – Mobile Phone Keypad not working and How to Solve and Fix 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 is a MOBILE CELL PHONE CARD LEVEL PART that helps to enter data like phone numbers and alphabets and operate a mobile phone. Some mobile phones are TOUCHSCREEN and are operated by PDA.

Types of Faults or Problems when Mobile Phone Keypad Not Working


  • 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 Phone Keypad Not Working Problem and Solution – How to Fix

1.Check Facial of the Keypad.

 2.Clean Key pad Tikli and Keypad Points.

3. USING A MULTIMETER  Check the Row and Column of the Keypad.

4. Keep Multimeter in Buzzer Mode and Check Row and Column of the Keypad. If       there is Beep Sound then Pad is OK.

5. Heat or Change Keypad IC / Interface IC.

6. 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.


Comments

Popular posts from this blog

SURFACE MOUNT TRANSISTOR IN MOBILE PHONE & THEIR FUNCTION

MOBILE PHONE AND THEIR ELECTRONIC COMPONENTS FUNCTIONS

REMOVE HEADPHONE ICON FROM NOTIFICATION BAR