How to disable the autostart of WhatsApp on Android 4.1?

I have installed WhatsApp just mobile that was just in case if you need someone to talk to, but I never use it. I have a Internet connection that is constant on the cell phone no, WiFi only. And this infection is constantly Avtozavodskaya and eats memory and other resources (that are low - budget phone and Hells brake, bought this just for the Qwerty keyboard). How to make not to Avtozapchast? Tried to block using CleanMaster, but it did not help - still Avtozavodskaya.
July 8th 19 at 11:38
2 answers
July 8th 19 at 11:40
Greenify (Ruth optional)
https://play.google.com/store/apps/details?id=com....
Brief description:
The management of the background processes.
Description:
Greenify allows you to identify and put to sleep background processes and services that run on specific events (network connection, device lock, install/remove programs, etc.)
"Hronifitsirovatsja" the program will not run in the background and be triggered by events (alarms, widgets, push-messages, instant messengers, launchers, etc. will not work), but running it manually should work in full.
July 8th 19 at 11:42
Still have Autostarts: https://play.google.com/store/apps/details?id=com....
Shows all the programs that Avtozavodskaya, and what events, with the ability to block individual events.
On 4PDA you can take for free.

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