What is a "Device To Shut Down Cell Phones"? The Most Authoritative Explanation.
What is a cell-phone jammer?
Higher-powered units create a cell-free zone as large as a football field. Units used by law enforcement can shut down service up to 1 mile (1.6 km) from the device. Some cell-phone jammers are made to look like actual phones. Others are briefcase-sized or larger.How to force Android to shut down when all else fails?
This guide will help you force Android to shut down when all else fails. If your Android powered smartphone comes with a removable battery you’re in luck because this is by far the easiest way to force it to shut down – take the battery out. Then pop it back in and start your phone as normal. If you don’t have a removable battery, keep reading.How do I power off my phone?
Hold them down until the phone goes ‘blank’ (finally powers off) and then boots up (starts) again. After it starts up normally, if you want to power it off and keep it powered off, try holding down the Power button by itself.How often should you shut down your smartphone?
As opposed to how often you need to shut down your computer, your smartphone has a more hard and fast rule you should live by: once a week, shut it off, let it rest at least one minute, and then you can fire it back up.
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