Doctor Ponsel

The presence of a signal indicating that a mobile phone or connected oprator BTS Connecticut combined, there is no signal means that the device switches oprator on your mobile phone, as if a signal can not dioprasikan SMS and nelfon, signal loss may be due to the mobile phone is outside the zone, or it may be related to anther phone signals can not reach, in other words, the receiver signal chain of transmission is broken, let me describe the following steps to improve cell phone signal loss:

a.Software

Flash flasher program with jinis types of mobile phones, to continue the program funds. If not, continue to check the hardware

b. Equipment

First Check the antenna and the antenna connector, be sure to contact a good, all is not so
The second tests the signal settings manually search for signals, not all of the RF IC is a good substitute, but if the manual search may be only a supplier in place, of course, well-VCO
Third If management is not automatic, and ok, look forward to
Check the battery positive fourth power IC Software
Look forward to the fifth (PA IC) with a light beam is replaced by a well-IC Software

What problems arise in the IC is damaged
1. die if conslet
2. drop in the battery, where that
3. Signal has been lost, no access, no network
4. you can not make an emergency call
5. signal is available, but does not