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[Nissan]'s latest concept is called Signal Shield, and it relies on a 180-year-old creation -- the Faraday cage. A Faraday cage uses conductive material to block electromagnetic fields. Installed in a Nissan Juke's center console, it's capable of blocking all communications to the phone, whether it's Bluetooth, Wi-Fi or regular ol' phone signals.
Thanks to its conductive properties, a Faraday cage blocks electromagnetic signals, preventing them from leaving or entering the cage.
Obviously, the goal is to prevent distracted driving. And it succeeds to that end, because a phone that can't do anything isn't going to distract a driver. Owners will still be able to use the phone through the infotainment system, thanks to a wired connection inside the center console.
[...] Or you could just head over to Amazon and buy a Faraday cage for less than $10 and keep it in your glovebox. That's always an option, too, even though it's far less elegant.
-- submitted from IRC
(Score: 2) by archfeld on Saturday May 06 2017, @03:24PM (3 children)
I just got my Samsung, and if it go into roaming mode or the blue tooth stays active when there is nothing to pair with it searches constantly and eats up the battery like crazy. Airplane mode is easy to activate and stops all that radio beaconing.
For the NSA : Explosives, guns, assassination, conspiracy, primers, detonators, initiators, main charge, nuclear charge
(Score: 2) by Grishnakh on Monday May 08 2017, @03:01AM (2 children)
Hmm, that's weird. I have a Galaxy S5 and I leave BT and Wifi on all the time, and I get excellent battery life. I could probably go 2 days if I kept the screen off most of the time instead of playing games. However, I will say my battery life is significantly better than it used to be, after I went through all my apps and disabled all the crapware/bloatware apps that come pre-loaded.
(Score: 2) by archfeld on Monday May 08 2017, @07:24PM (1 child)
I wish there was a way to stop scanning for Wi-Fi once I was logged in to a node, but it continually scans and updates the list every couple of seconds. What version of Android are you using on your S5 ? The BT I find is the biggest user of power so I keep it off unless I get in the car for a long drive. If it just back and forth to the market I just ignore the thing until I get stopped.
For the NSA : Explosives, guns, assassination, conspiracy, primers, detonators, initiators, main charge, nuclear charge
(Score: 2) by Grishnakh on Monday May 08 2017, @09:21PM
I'm on Android 6.0.1. I've been in a location without radio access now for almost 7 hours (with a few breaks where I could reach the tower), with both WiFi and BT on, and I'm down to 83%, and that includes using the phone (for a simple game) during those breaks).
I just checked the advanced options for WiFi and I even have "keep Wi-Fi on during sleep" enabled.
For Bluetooth, there's an option to make your phone visible to other devices (besides just devices you're already paired to). It's unchecked on mine; I'd recommend making sure this is off for you too.
I also checked my "Power Saving" settings and both "Power saving mode" and "Ultra power saving mode" are disabled.