This page will be helpful for understanding about faults of Chinese phones ( Do, Alcatel, Alfatel ,Micromax, Forme, CCIT, Bird, H1 model ,E-tel ,ZTE...Etc) which are comes with charging port, Data port, Handsfree port. you must read this page step by step and then you w'l be get a real idea about that faults.
Hands-free mode
handsfree mark
If you cant make a call without handsfree not only that but also if your phone ringer is not worked please check the display. some times you can see handsfree mark ( please check this image) on your display.Firstly you must connect the handsfree and check your ringer is worked correctly. If its work then you can repair your phone step by step. This is a common fault which is come with our mistakes.
what are the reasons for this fault.
water damage
dust promiscuous with charging port and their components.
sort circuit ( because of high voltage , damage circuit)
How we can solve this fault.
charging port
first you can connect hands-free again and disconnect it.
If its not solved then you can service charging port or hands-free port ( some Chinese phones have only one port as a charging port , hands free port, data port. If it have two or three port you must service only hands-free port) using suitable equipment (you can refer how you can service your phone correctly). specially this step you don't want to disassemble your phone.
Attention: After the service charging port , If your phone is not power on with Battery you must service charging port again. then definitely phone will be power on.
If its not solved disassemble your phone step by safely.please use suitable tool kit for doing this job well. After the disassemble your phone then service charging port and around the charging or data port. ( if you can check the circuit board before the service it will be helpful for identify this faults, when you check the circuit board if you see disconnected or slip any components then you can replace those parts correctly and after you can service circuit board )
Fault is same as previous you have a good knowledge about electronic check the charging way , handsfree way and data port way correctly. Then if you have found some fault of that ways try to fix it using suitable method (replace , remove or jumper)
Finally if you couldn't fix this fault you must have to replace Charging or data port. ( some Chinese phones have only one port as a charging port , hands free port, data port. If it have two or three port you must service only hands-free port)
When you replace a new charging pin or USB data pin this video will be helpful.
Nokia 1202 handsfree quick solution.
First you can service handsfree port and around components using suitable method.
But fault is same as previous then replace two components shown in below picture .
1202 handsfree solution
Attention :Specially after above solution hands-free port may not be worked correctly.
There are too many faults comes with Charging, Data, Hands-free. we will describe these faults one by one. If you have any doubt about this page contact via e-mail.
This is the easy and correct method for solving handsfree fault in you phone( not for the branded mobile) phones. But specially when you disassembling your mobile phone use a proper tools for doing it and dont try to do it without good idea how can it disassemble.
If these notes are usefull for your repairing try to like us and be a follower. However try to be a clever technician this is our warm wish for it " GOOD LUCK".