Can not connect to Blynk Server

[PeteKnight]

Please use triple backticks when you post serial output.

@Ateny

Network: Vodacom Tanzania Limited

Two people from SA have had issues with Vodacom blocking the Blynk protocols. Maybe Vodacom Tanzania does the same thing?..

Vodacom South Africa 3G data connection, is blocking/dropping Blynk-cloud

Vodacom South Africa 3G data connection, is blocking Blynk-cloud (PSH flagged) TCP/IP login binary-payload packets when my NodeMCU attempts to connect via WIFI tethered smartphone. I have no Idea why they would block/drop these, all other types of data such as HTTP, MQTT seems to pass through without issue. After extensive testing and searching around, I tested using a SIM card from a IOT sim card provider based in Germany which issues global data-roaming sim card for M2M/IOT applications. I …

TTGO T-Call ESP32 SIM800L cannot be connected with the Blynk cloud

Dear Blynk Members, Just to let you know – all in order and working fine every time. After numerous attempts testing different sim cards from different network providers, I decided to purchase a global sim from “Justworx” with positive results. My esp now connects every time to the Blynk Cloud without any issues. Thank you for your input. Best regards, Chris

Pete.