HotSpot Switch app in Google play store (play.google.com/store/apps/details?id=com.eightbitcloud.example.widget) verified functional on Verizon Galaxy S5.
Download, install, add widget to homescreen via long press, done.
Credit to this post...
Same here
I have been experiencing the exact same thing in San Diego while on 4G with a Thunderbolt. Neither Yahoo Messenger or Words with Friends can operate without a series of force-closes, however both seem to work just fine over Wifi and even when I'm out of town and on 3G coverage. It's...