Mobile Cell Phone Keypad Not Working Problem and Solution – 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...
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
- Check Facial of the Keypad.
Mobile Phone Keypad Track Row Column
- Clean Key pad Tikli and Keypad Points.
- Keep Multimeter in Buzzer Mode and Check Row and Column of the Keypad. If there is Beep Sound then Pad is OK.
- Heat or Change Keypad IC / Interface IC.
- Heat, Reball or Change the CPU.
Note:
- In a Mobile Phone, when we press a Key and it works very slow then Reload Software to Solve the Problem.
- 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.
- If Keypad problem is not solved by Hardware, then reload Software in the Mobile Phone to Solve the Problem.
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- Mobile Phone Parts Identification | How to Identify Parts & Components on PCB of Mobile Phone
how do I trace and change the techno T465 keyboard ic
You have to check its Diagram.
My iPhone dial key pad some time not working & through pequler sound why?
Hi Sir,
Itel mobile 5216 key pad no. 6,7,8 not working. Kindly give the solution.
Disassemble the Phone and Clean the Pad with IPA or Alcohol and check. It it still doesn’t works then replace the Key Pad.
My phone fell into water. After spreading it in the sun to dry, i switched it on and i discovered that the middle soft key is not working properly. I would have to press it hard before it works. And sometimes it would perform the function of the arrow keys. Please, what should i do? The affected phone is tecno t483
Chaina mobile.Only power key work other not work.but multimetar reding show all key point .row or colom.
China Maal Ka Koi Guarantee Nahi Hae.
intex mobile key123 up bottom key not working please comment solution?
Disassemble the phone to check if the External UP Button is touching the Internal Up Button or Not.
Samsung fake charging solution
Replace the charging connector
wow you gave a very useful information thanks so much…but know also i need 1 solution for my mobile, it has a mic problem. i tried to fix it by changing the mic but it didn,t resolved…what can i do? the mobile is china model-
K8
If changing the mic did not fix the problem then the pcb track is gone. It is now better to change the mobile phone.
Really very use full information
how To Chenge ic Plz photo Pic Ya pdf File Upload Plz
c2-03 lighting prablam soulushan plz tei me sir
Check and change the LED.
plz help me
How do you identify the keypad ic in various phons, sir?
It will always be somewhere around the keypad connector.
How do you identify the keypad ic in various phons, sir?
Search for “Keypad IC” for your Model of Phone. You will get it in Google Image Search.
Hello sir,what are the correct reading value of mouthpiece,earpiece,charging port,ringer,antenna interface when taking/reading from the PCB when using digital or analogy multimeter in which the switch range is in buzz position.Also what is the correct reading value of component like resistor,capacitor,inductor,coil,transistor,diode,fuse when taking from PCB when using digital or analogy place in a buzz switch range
Hello Sir, i have blackberry 8520,9300,9700 keypad problem
Hello Sir,what are the feactures/signs one can use to identify most of these IC like keypad ic,ESD/EMI display ic,mouthpiece ic,earpiece ic,ringer ic.Also are these ic’s have the same feactures/signs to identifyt them in all the phones like nokia,blackberry,ramsung etc