What are the real world risks of sharing your device and network information with advertisers?

I am trying to decide whether to keep this new fitness tracker that I bought for $70. Great deal – until I found out that I’m paying for it with my personal data.

How risky is is to share MAC address, android ID, IMEI, IM… Continue reading What are the real world risks of sharing your device and network information with advertisers?

Can a smartphone be accessed only by knowing its IMEI?

I have an old smartphone that I want to use only as a media player/portable radio/voice recorder. It doesn’t have a SIM card and it’s not connected to WiFi. I am curious however can the files on it still be potentially accessed somehow? I know that a phone can be tracked with its IMEI number and according to this site – www.imei.info – you can “know such data as: the network and country from which your device originally comes from; warranty information ; date of purchase; carrier information; system version; device specification and more details information.” For the “system version” part, it seems to me that you have to have a pretty thorough access to the phone and possibly able to read the files on it; is this so or is this impossible?

Thanks in advance.

P.S. I read these topics – Can Android phone running without SIM card be tracked (localized) by police?, Track an Android phone through its IMEI, but they don’t answer this exact question.

Continue reading Can a smartphone be accessed only by knowing its IMEI?