why i cannot login app blynk. Have same problem is IOS and Android.
Can you join Blynk Beta for Android (open Blynk page on Google Play and scroll it till the ‘join the beta’ block and sign up for beta releases). It has logging capabilities, so it would be possible to reproduce this issue and send us a log file. To send logs you would need:
- Reproduce this login error
- Press back and make a long click on Blynk logo
- Select gmail or you mail app - it should open pre-filled email that should be sent
Had you tried to join beta and send a log from the beta build?
On Android device?
Is it google play store? or some other store?
We have a beta program for our mobile apps (both iOs and Android), in which there is a logging support, so you can install beta build via Google Play and send us logs from your device.
Have you tried to ping blynk-cloud.com from your PC?
No. I normally use it. But last week .I cannot login.
This from Android.
Update Today if i use my blynk server i can login. But i change is server of blynk general cannot. You can see problem from video. I use iphone 6s+. And i try use iphone 4 same problem
I can’t see anything useful…
What are your settings,
DO IT!!.. then tell us the result.
Did you install the beta version of the App and send logs?
Basically, less YouTube, more info 
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The try that IP instead of your Local Server one (same port… 9443)