Contact Service Nokia 5510

Some time ago, we found a case of Contact Service on the Nokia 5510 mobile phone. Usually at this mobile group, contact service damage can be detected from the difference in the IMEI number is visible at the interface DCTx Tools. To fix it we can do to rebuild IMEI reappropriate the IMEI number.
However, after we check the IMEI number was not a problem (on the screen shows the same IMEI number). Next we tried to write back pm and the results remained the same.
After going through several steps of analysis, we finally conclude that the damage to the IC Ccont. Next we replace IC Ccont and mobile phone were recovered. Hopefully this can be an additional knowledge for us in cell phone repair.

Nokia 3100 Signal Problems Repair

The signal is very important for a wireless communication device because without a good signal then the wireless communications will be hampered. In the cell phone, receiving signals from operators regulated by an IC called RF Processor.
Cases we adopted in this section is the problem of signal reception on the Nokia 3100 mobile phone. The problem is as follows: mobile phones can receive the signal but the signals up and down and sometimes disappear.
This problem comes from IC RF Processor. However, after we have done tests, RF Processor IC is not damaged. The problem is the connection between the IC RF Processor with PCB board is not perfect (lead fracture) so the reception signal becomes unstable.
To overcome this problem, we only heated Processor RF ICs using solder fumes (blower), it aims to glue the back of tin that have cracked it. After we warm up, receiving the Nokia 3100 mobile phone signal back to normal.
Basically, a system that works on a mobile phone is the same. Therefore, if we find the same case as mentioned above, we can do the same handling steps.

Repairing Nokia 3120 Restart

Cases that we host this time is the damage that occurs in the Nokia 3120. The damage is when we are pressing one button keypad, mobile phone screen becomes blank and beeps sound. The next phone restart itself.
At first we thought that the damage caused by software problems, but once we flash was the result remains the same. When we did further analysis, we finally conclude that damage to the CPU.
After we did the replacement of the CPU, it returned to normal mobile phone. Such information from us for now, may be useful.

How to Repair Phone Restricted Problem

Some time ago we received a question about how to overcome the damage Phone Restricted. Previously we have never found this kind of damage, but some time ago we discovered the damage to the phone Phone Restricted brands Nokia 3100 model.
In the cases we found, we tried to do the examination by using UFS Tornado. Mobile can be connected to either, but when viewed on the info, mobile IMEI number is not detected and only in the form of a question mark.
We tried to write UEM, but the phone still error. In theory, the IMEI number stored in the EEPROM and on mobile phones Nokia DCT-4, EEPROM contained in UEM IC. Therefore, to repair the damage we change UEM IC and recharge IMEI number. Finally phone back to normal functioning. Hopefully useful.

Sony Ericsson T230 Repair Guide

In this section, we will share the ways to repair Sony Ericsson mobile phone models.
Sony Ericsson is a well-known brand of mobile phone users for Sony Ericsson presents the actual models and stylish. However, the outer side is also equipped with advanced features in it.
Among the Sony Ericsson mobile phones on the market is the T230 model. T230 is an early generation mobile color of the brand Sony Ericsson. In the following files you can find some guidelines for repairing damage to the Sony Ericsson T230.
If you have any problems with the Sony Ericsson T230, please download the following files, and if you want to know and understand the systems that work on a mobile phone, you can purchase the electronic books are here. Please click on the menu above.

T230 Repair Guide

Nokia SIM Card Repair Guide

Phone damage can occur in any part, including the SIM reader. SIM is a chip that contains the identity of the owner of mobile phone numbers. If the phone can not read the SIM card, the phone can not be used to communicate.
In a phone there is an IC that serves as a driver or booster SIM card. If the phone can not read the SIM card, usually the damage occurred in the IC. To fix it, of course, we have to replace the IC with a new one.
IC is a different location for each mobile phone, to find out you can see on the diagram scheme which can be downloaded here. If not available, you may submit a request and we will give it to you.
In addition to damage ICs, causing mobile phone can not read the SIM card can be due to a broken track on the circuit SIM card reader. To overcome this you can connect the broken line with scheme guidelines chart. In the following files you can find some guidelines to jumpers on the break point from some Nokia mobile phone.
For those of you who are interested please download the file here:

SIM card repair guide

N-Gage Repair Guide

For users Nokia N-Gage QD, here's a file that contains a collection of techniques to repair Nokia N-Gage. In this file you can find a few tricks including how to repair the damage that mobile phones can not read the memory card, can not fill the battery and many more.
Nokia N-Gage QD is a Symbian based mobile phones that can be installed from third-party applications. However, this phone is very vulnerable to viruses, therefore, for you mobile users N-Gage QD should install anti-virus on the system in order to prevent damage caused by viruses.
Well, for those of you who need the file please download the following link:

Nokia N-Gage Repair Guide

Nokia Switch on/off Repair Guide

In this session, we will share a file that contains a collection of tricks how to repair damage to switch on / off.
Damage to switch on / off may cause the phone can not be turned on, because the switch on / off function to generate the sleeping mobile. In fact when battery mounted on the mobile phone, mobile phone has been switched on but in a state of sleep, and to generate, we must press the switch on / off.
Therefore, the function switches on / off is very important because if the switch on / off damaged the phone can not work as usual.
Damage to the switch on / off not only due to a broken switch, but the damage can be caused by a track switch on / off the break.
The following file contains a set of guidelines to improve the image damage switch on / off of some types of nokia mobile phones. In this file you will find a guide to overcome the damage of broken lines. Good luck.

Nokia Switch on/off Repair Guide

Charging Problems Guide

In part this time, I will share a guide to improve the battery charging problem. In the following files you can find many practical guidelines to overcome the damage to the battery charging from several types of mobile phones Nokia.
It's not too many types are available in the file, but some types of mobile phones in the file is actually a type mobile phones used by many people or in other words the type of mobile phone's favorite people.
There are many other guides later on I will share with you free, but the connection with my online time is limited because of busyness, I beg you to be patient and keep visiting this humble blog.
Please download the following file:

Charging Problems Guide

LED Problems

In this section Phone Repairing provides a guide to repair the damage LED (light emitting diode). The damage of LED will not be indeed a big influence on the cellular phone system, but the damage led to interfere with our comfort in using cell phones.
Interference was when we would send a message and so on. Disorders will be felt when the lamp is damaged lights illuminating the LCD.
Here are some tricks to overcome the damage the LED lights. Please download the following link:

Led Problems Guide Download

Battery Problems

In normal circumstances and use, cell phone battery average is used to hold two and even three days. However, if in normal use and battery condition certainly good, but cell phone battery runs out fast, it means that there is a problem in the transmitter.
Why in the transmitter? Because this section (IC PA) took power from the battery directly and not through the IC Power Supply first, since this section requires a great power. Basically, when the battery is attached to cell phones, although cell phone was not turned on, he actually has an active but still "asleep" and to wake it is by pressing the on / off.
In the case above, wasteful battery condition can be caused by IC PA (Power Amplifier) that is damaged. IC continuously flows from the battery sucking causing rapid cell phone battery run out. To analyze it, we can use the help of power supply.
Connect your cell phone with the power supply At the cellular phone is off, see the needle on the power supply amperage, usually when the cellular phone wasteful damaged battery, the needle will show the number ampere 100 mili amperes. When the analysis was right on the second step, then the next step is the release IC Power Amplifier (PA), then do check back in a second step, if the amperage needle silent, then certainly there are problems in the PA IC. Switch IC with a new PA, and do a re-test the above, if the needle still amperes, means your cell phone is back to normal.
In some cases, writers have tried to make improvements without a change in the IC with a new PA, but only release the old PA IC, IC PA then washed with thinners and cleaning the PCB board and IC PA is put back, and the results returned to normal mobile phone. Good luck!