Please tell us some basic information before asking for help:
Model Name: ZC520KL
Firmware Version: WW 15.2016.1909.526-1
Rooted or not: no
Frequency of Occurrence: Always
APP Name & APP Version (If your issue relates to the app): Signal and Télégram
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
Hello, I am writing to you because on several applications the badge does not work. These are Signal and Telegram.
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