You can browse your favorite search engine including Google, Yahoo, bing, yandex, duckduckgo, baidu without compromising on speed.
To switch from 3g to 4g you only have to tap the button and watch 3g signals converting to 4g signals. it works in any region it's not specific for some .
this app was tested in several devices supporting 4g without issue like :
HTC velocity 4g
Samsung captivate glide
Sony xperia z3
Samsung note 4 / note 5
also in devices supporting only 3G network swiched to 4G with out any problem.
it's by unlocking hidden features by constructors in all devices since 2012, to push customer to change their devices and buy expensive phones.
This app is 100% safe and won't affect you device security.
This app won't steal your private informations.
This app a nice simulation and prank app.