If your mobile connection operator network is not inaccessible, you can switch to the network of other operators.

The test national roaming is being launched by Vodafone, Kyivstar and lifecell jointly with the State Service of specialized communication and data protection of Ukraine, the Ministry of Digital Transformation, the National Commission, regulating e-communication, RF spectrum and post communication services.

Here one can find instructions how to connect to the mains of another operator.