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FIX for Horrible Battery Life &/or 3G/4G Signal (dropped / missed calls) after ALL firmware updates for Samsung Galaxy S3

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Apparently it sporadically happens to various lucky users after all firmware updates including the latest to 4.3!!  Though the link references problems after a 2013 update, it explains why the wrong setting "Global Network" sucks the life out of your battery and your signal switches from 3G to 4G or none at all! 

https://subnet.ischool.syr.edu/2013/02/06/verizon-samsung-galaxy-s3-battery-life-degraded-after-ota-...

Apparently, my settings had never been altered until this last update, almost 2 months later and I've had 4G constantly since I changed my settings!

Verizon & other carriers, I think you need to train your folks on this SIMPLE EASY to FIX issue instead of ???????!!!!!!!!!!!!

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