Check first with the Voda sim as it may not be locked.
Hi @Mart4 how are you getting on with the old handset today? Did you get anywhere with the unlocking?
→ COVID-19 support - Help and support from O2 during the lockdown
→ Access for You: Registration - Find out how to register for our Access for You service.
→ Just joined the community or thinking of registering? Check out this handy starter guide!
→ Have a query about your account? See if the My O2 how-to guide will help
If you'd like to take part, why not register?
Track usage, upgrade and get support with the My O2 appDownload My O2