My cell phone signal is strong and weak, is it interfered by the
hidden cell phone jammer? Recently I found my cell phone signal network is always unstable, strong weak, sometimes even not the network, can not access the Internet, online access to information to me this is very inconvenient, mobile phone has this kind of situation what is the cause? Is it possible to be distracted by a cellphone jammer? Or something else. Can you help me out and find out why? Thank you very much!