Subscription update OTA never gets past "Request Sent"

I’m trying to update a XIAO ESP32S3 using Blynk.Air. It never updates, just stays on “Request Sent”. The Download Report looks like this:

“XXXXX Holiday Lights”,“944788”,“2025-12-19 21:10:53",“STARTED”,"sa-blynk@XXXXX.com
“XXXXX Holiday Lights”,“944788”,“2025-12-19 21:11:25",“REQUEST_SENT”,"sa-blynk@XXXXX.com
“XXXXX Holiday Lights”,“944788”,“2025-12-19 22:12:24",“REQUEST_SENT”,"sa-blynk@XXXXX.com
“XXXXX Holiday Lights”,“944788”,“2025-12-19 23:13:24",“REQUEST_SENT”,"sa-blynk@XXXXX.com

What am I missing?

Hello @jaireaux . Please provide logs from serial monitor when the server tries to update firmware in the hardware.