How do you intend to use your bitcoin? Is it completely worthless?
There's nothing you can do but save yourself the conflict and save the hardware wallet. If there is no Internet, no cryptocurrencies, you have to wait for the situation to be conducive to moving away from the war zone and it seems that Ukrainians has gone to neighboring countries, then it is time to act on accessing hardware wallets.
Mostly women and children leave the war zone in Ukraine, and now most of the territory of Ukraine is under missile and bomb attacks by the Russian army. Over 2 million refugees have already been evacuated from Ukraine. At the same time, about 215,000 men have returned to Ukraine, who want to defend their country from the Russian aggressor with weapons in their hands. Ukrainians are now confidently grinding eight Russian armies that have invaded Ukraine. The Kremlin has already realized that they underestimated the power of the Armed Forces of Ukraine and the confidence that they will be able to capture Ukraine there is decreasing every day.
In addition, fearing that the truth about the reasons for the attack on Ukraine, its course and heavy losses would become known to its people and, along with the consequences of the imposed sanctions, would cause just indignation, up to armed riots, Facebook was first turned off in Russia, then Twitter, Instagram, and now even want to turn off the Internet on their territory. Earlier we said that the state will no longer be able to turn off the Internet, since a lot of things immediately collapse. But the Putin regime goes to great lengths to stay in power.