My messaging apps are not running in background

[AC Question]

when my phone is lock mode my apps are not running , so even i am not able to receive any messages in whatsaap or facebook or wechat even in important situation.

I have tried updating all apps and also update the device.

background data is also not restrricted and also apps are not restricted any one please suggest how to trouble shoot.

 

[B. Diddy]

Welcome to Android Central! Which phone? Any power-saving modes on or 3rd party battery-saver apps installed?