[Practical knowledge] bad cell phone signals five solutions

　　Bad cell phone signals, I believe that many users often encountered, and this phenomenon, sometimes the user is a big inconvenience. So what can be a good way to solve cell phone signal bad situation? The answer is yes! Here we take a look at specific solutions:
　　Bad cell phone signals of five kinds of solutions
　　1, phone quality is too rubbish
　　Phone quality is too rubbish, using poor quality mobile phone parts, for this phenomenon, the only way is for a mobile phone.
　　2, using a metal shell phone
　　While many phones are metal body, but they are designed with hidden antenna. If the phone is blocked by a metal shell, the signal will naturally deteriorate, we recommend removing the shell phone and try again.
　　3, there is dust or foreign matter slot
　　When installed on the phone SIM card, dust or foreign matter accidentally let go, it will also affect the signal. It recommended to check if this is the case, clean look.
　　4, carrier signal is poor
　　By friends their own phone card inserted into the phone to try, if the signal is as bad, this place is probably the model bad operators, covering problems, you can call another place.
　　5, system problems
　　Some beta version of the system, there may be signal problems, it is recommended to back up important data after the brush back to the stable version of firmware try.

　　Well, that's five mobile phone signal poor practical solutions, I believe we have a clear mind.