Why ???? there is damage to the phone contact service and repair solution

How to repair damage to the phone due to contact serviceThis time I will write a series of articles due to contact mobile phone repair service. Did my friend what that meant damage "contact service" on the phone? Damage contact service is the damage being done to the software and hardware on the phone and when we turn on the phone, it will exit the writing CONTACT SERVICE onwards will be as it was, it is said by the technicians, hp function is dead though hp it live on but sdh not can be used again because it just came out text contact service. Then if the phone can still be repaired? Many experts technicians and service counters say they will damage can not be repaired, but there is also a saying can be improved.
You need to know about the damage the Contact service is, this damage has a characteristic as follows:1. Look at the LCD screen handwriting Contact phone service
2. On the screen appear morbidly writing, only blank lcd and Led lights3. It does not get off the phone with the ON switch off but had to unplug the battery first
Analysing the first base that should be known about the damage to contact service:1. When the phone is turned on and then perform the writing insert sim card, restart after it appears CONTACT SERVICE, damage is 85% likely to damage the software and you can perform software
2. When the screen turned black Lcd ngeblock then restarted after it was playing a contact service. This damage by 50% between software and hardware damage you can do in advance RE FLASH,
3. When the phone is switched directly out text display on the screen Lcd contact service, 70% of damage caused by a hardware malfunction
Perform repair solution:1. Software problems can be done by re flasing2. Problems related to hardware can be checked on the IC COBBA, flash, UEM, and CPU
If there is damage to the Contact service on the 2nd analyzing it, as you must have advanced software repair program, the intention to use repair program is to read the actual parameters that occurred in hp. It can be used utilizing information and detect phone menu. The results of this parameter will be able to know that as a reference in reparations measures. Detecting through the info menu is still limited dlm analyze the damage that can be reached through the program alone can not detect damage that occurs due to line break, but was enough to help in the detection and repair.