'Timeout3g' switches the data connection (edge,2g,3g,4g,H,…) automatically OFF when screen goes off (after a timeout) in order to save power. It brings the connexion back ON when screen goes on.
Time before disconnection can be changed in advanced settings.
Donate/Full version periodically re-connects so other apps can synchronize emails, messenger, whatsapp, etc.
If you are using a taskiller, then please add timeout3g to the safe list or it will not work: do not kill timeout3g.
Android 5.0 Lollipop is not compatible anymore, blame google here: http://tinyurl.com/o4hrexg
or if your phone has ROOT privilege get in touch for the ROOT version.
Keywords: power, "timeout 3g", "apn switch", "data switch", "t3g", "3g switch", juice, snapdragon, green, battery, 4g, lte, switch.
“Timeout3g”切换数据连接（边缘，2G，3G，4G，H，...）会自动关闭屏幕时熄灭（超时后），以节省电力。它带来了连接回来时，屏幕变成ON。
断开连接之前的时间可以在高级设置中更改。
捐赠/完整版定期重新连接，以便其他应用程序可以同步电子邮件，信使，Whatsapp等
如果您使用的是taskiller，那么请加入timeout3g到安全列表或将无法正常工作：不杀timeout3g。
是Android 5.0棒棒糖不兼容了，在这里指责谷歌：http://tinyurl.com/o4hrexg
或者，如果你的手机有ROOT权限取得联系为根版本。
关键词：电力，“超时3G”，“APN开关”，“数据开关”，“T3G”，“3G开关”，果汁，金鱼草，绿，电池，4G，LTE，开关。

Android 5.0 Lollipop is not compatible anymore, blame google here: http://tinyurl.com/o4hrexg
or if your phone has ROOT privilege get in touch for the ROOT version.
v2.2.2: design update, detect external data switch