Will GPON Nokia G-010S-A change sn?

The designers of this module left the recovery mode in place. All you have to do is

Repair the u-boot environment or switch to working image 0 or 1

FALCON => setenv preboot
FALCON => setenv commit 1
FALCON => setenv next_active 1
FALCON => saveenv

Use this opportunity to back up all your partitions!