ZF Model: ZB633KL
RAM: 1G
Firmware/APP Version: Pkq1. Ww
Frequency of Occurrence: Daily
Rooted: No
APP Name: Messenger
After an update some time ago, my messenger does not work, the sound is no longer there, but if I keep the app open, then I will hear the sound, once app is closed the app goes back to silent, the only way I know I have a message is to look at notification light, please fix this issue
