Three ways on iPhone and Android — it takes a minute. Install at home while you have Wi-Fi.
It must be on for the Tutu eSIM.
Or toggle Airplane mode — the phone looks for the network again.
Network settings → turn off “Automatic” and choose another operator from the list.
It's usually set automatically. If not, message us and we'll give you the exact value.
Contact support — we'll sort it out or refund you.