Blynk APP - suddenly dead communication with esp8266

anyone knows the reason or has an idea what is the reason?
no changes to esp or router settings.
Suddenly 5 esp8266 devices stopped working with BLYNK. No communication problem with other people working with Thingspeak (from 22.10.2021 morning)

reboot the phone and the router.

On other smartphone work. But my HUAWEI P20 PRO not. Still try connect to Blynk - but could’t
Foe example - HONOR 20 works without problem and display datas.

Have you tried to clear the app cache and data ?

solved - I login from other phone to Blyk APP
restart my primary device - HUAWEI 20PRO
and … now WORK ! Thanks for help,

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Your welcome buddy.

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