# unable to bind after voxl-sdk upgrade

Source: https://forum.modalai.com/topic/4683/unable-to-bind-after-voxl-sdk-upgrade
Category: General Questions (https://forum.modalai.com/category/2/general-questions)
Posted: 2025-08-17 07:15:19 UTC by NoufAli 0
Replies: 0 · Views: 278

## NoufAli 0 · 2025-08-17 07:15:19 UTC

I have a Starling 2 drone that I upgraded from version 1.3.5 to 1.5.
After the upgrade, I can’t get it to enter binding mode (the blue light flashing in a heartbeat pattern), and it won’t connect to my ELRS transmitter.

Any advice?