Today I'm gong to show you how you can apply app logos on the notification bar instead of infinity symbol and bubble like symbol (eg- Jio app and google now)
You will require the following:
1)Rooted Flyme 5 meizu phone (I'm using Meizu m2note)
2)Xposed installer
3)meizu notification fix apk
you can download meizu notification fix app from here>> http://m.apksum.com/download/com.s0bes.meizu.notification.fix_2.1.4.1_free

STEP 1:
Install exposed installer.
install the correct version of Xposed framework. wrong version can brick your phone.
Reboot your phone to complete installation.

STEP 2:
Install meizu notification fix app.
Now go to Xposed installer app and go to modules section.
Enable meizu notification fix.
Reboot your phone.
You should see the change by now.
STEP3:
Go to meizu notification fix app.
Change the size to 41 in 5.5 inch phones.
For smaller phones, leave as it is.
Reboot again.
That's it.

WARNING: This process requires rooting of your phone and installing Xposed framework.
If done wrong can damage your phone.
Proceed at your own risk.
I will not be responsible for any damage.

THANK YOU.
Here is a screenshot of the Jio4GVoice app logo on the notification bar.