The problem of the device disappearing from the application after connecting to the WiFi network

Blynk 2.0
1

The problem of the device disappearing from the application after the device is connected to the wifi, knowing that the device is in the blynk consol and it appears that it is online, I do not know why

2

Here the device is present before I connect it to WiFi

Screenshot_٢٠٢١-١٠-٢٩-٢٣-٤٥-٢٨-٩٤٨_cloud.blynl
Screenshot_٢٠٢١-١٠-٢٩-٢٣-٤٥-٢٨-٩٤٨_cloud.blynl1080×2340 113 KB

3

After I linked it it disappeared but it is in blynk consol

Screenshot_٢٠٢١-١٠-٢٩-٢٣-٥٠-٥٨-٧٩٥_cloud.blynl
Screenshot_٢٠٢١-١٠-٢٩-٢٣-٥٠-٥٨-٧٩٥_cloud.blynl1080×2340 135 KB

4

Looks template id doesn’t match the mobile tile template. How did you create the mobile template? Also, logs would be helpful.