Usar la aplicación APKPure
Obtener 3G Timer versión histórica en Android
Optimize 3G Network To Save Money And Extend Battery Life
Set The Hour And The Minute And Press The Start Button, Then Your Device Will Wait For The Time Period Specified By You Then Automatically Switch On The 3G Only For A Minute And Check For Important Messages, Email's and Notifications And Then Automatically Switch Off The 3G For Another Period.
By Applying This You Can Save Up To 30% Of Battery And Control The Money You Spend On 3G.