Tuesday
Ensures the update is compatible, stable, and won't negatively affect their network's services, like voice calls, data connectivity, or specific carrier-added features (e.g., Wi-Fi calling settings).
Wednesday
Thanks for your detailed explanation! 😊 You’re correct — devices received through network providers often cannot access the One UI 8.5 Beta program. This is because carriers need to ensure updates are compatible with their network, test them thoroughly, and may apply specific customizations before approving any rollout.