Anything they find from you regarding a crime.
Laws vary from area to area, but in general, it is legal to law enforcement officers to search a cell phone if it is believed that the cell phone contains information pertaining to the arrest. To give a specific answer, the geographic area will need to be provided.
No.
To file a police report on a stolen cell phone, you should contact your local police department either by phone or by visiting their station. Provide details such as when and where the theft occurred, your phone's make and model, and any identifying features or information you have. They will guide you through the necessary steps to complete the report.
If they have a reason to, yes. The moment you are arrested, everything you have on your possession is confiscated by the police. They have the legal authority to examine these objects for criminal evidence. If it is believed that a phone is used for illegal activity, it will be passed onto a forensic technician who can pull up every single call, text and image on the phone - even if you've deleted it. If there is no reason to search your phone, they won't. Another reason they will go down your phone is if you fail to provide the police with a next of kin contact number to update them on your arrest. By being arrested you forfeit your personal property to the police for the duration of your arrest, or longer if a warrant is acquired.
Go to the police.
police
a cell phone tracking device is good if your phone gets lost or stolen because you can then track it down to find it's location. Or if it has been stolen you can give the information to the police to help them track down the thief and get your phone back.
Many online websites feature information about cell phone lookups. By entering a cell phone into certain sites, they will return the information about who that number belongs to and such.
Police radios, walking talkie, cell phone.
"One way you can get more information on cell phone chargers is to talk to your cell phone provider. The mobile company that provided your cell phone often sells products related to the phone such as chargers, and will be able to give you correct information."
no
The police can can track you if you have a cell phone on you if they have a warrant to do so. If someone else else does it, then it will be illegal.