There will be hundreds of phone functions, but not all of the features in China Mobile or China Unicom's network coverage to use. Then engineers often need to test the experience, they can accurately determine the problems found in testing are mobile software problem, or because the network does not support the cause. Need to develop this experience in the careful and meticulous work, to be diligent in asking questions, when a problem with the answer, we must carefully remember that experience is inseparable from the cultivation of memory. The test data of  cell phone jammer should be filled in the test data sheet of  cell phone jammer.

As of January 2003, China Mobile's network, yet can not support most of the following services: Call billing, Data call, USSD messages, information centers, etc., are dedicated to your own collection. There are some features depends on the SIM card support, the early SIM card can store 25 names, and later with 100, and there are 255 names of high-capacity card; In addition, China Mobile's mobile dream card provides some value-added service functions, information is also need to test people's daily accumulation. Pure black box testers of the system on the level of understanding required is not high, but not that testers can sit back and relax to the status quo. The test data sheet of 
Cellular Phone Jammer
   should be kept in the quality assurance department.

Caring people should strive for a deeper understanding of the system, so that test, he can not be satisfied on the surface of the cell phone interface concerns, especially when you design a relatively complex test case, if you understand some of the modules between the system have an impact between, you can create a targeted test conditions, test the purpose and relevance will be greatly enhanced. Why sometimes, the same test, the same phone but different testers test results are not the same? This is not the same because of the sensitivity of the test. The engineer is referring to the test data sheet of  
mobile phone jammer
.

When a problem flashed, the tester can choose to turn a blind eye, you can also choose inquisitive, this aspect may be because the system is not the same level of understanding, when you put the phone on every possible interface overripe in the chest, the little You can find a little deviation; there is one each of a different sense of responsibility, that the problem may be accidental, but try to reproduce it need to test the patience of the staff. Test, of course, to give priority attention to those earth-shattering problems like crashes, re-starting the phone does not work as a result of the problem belongs to the first class, call, SMS, phone book and other basic functions can not work belongs to the first grade; other functions can not be work should belong to the second level; like display interface, message and other small problem though is not high priority, but it is also an important part of our test. The expert is checking the test data sheet of 
cell phone jammer
.

The discovery of these issues depends on careful testing personnel. For example, the scroll bar on the phone screen, each option has a number, these numbers are usually the order is 1,2,3,4, but some products have the option number is 1,2,4,5 , 3 were missing and found that this problem requires a careful tester. Any work needed to ease, although we all know this truth, but not everyone can really do. Too many people into a career, took too much time spent in the current complaints and vision for the future on a more frequent job-hopping has been in turmoil in their familiar environment and the stage, meditation is not the time to do things. The test data sheet of  cell phone jammer should be renewed.

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