Samsung S22 Ultra Mobil Connection Problem After A16 Update

I am using a Samsung S22 Ultra, and after updating my phone to Android 16 on 1 November 2025, I started experiencing serious problems connecting to mobile networks and the internet. Since this update, the device frequently loses mobile network connection, internet access becomes impossible at times, and I constantly experience interruptions in connectivity to the point that I can no longer use my phone properly. Due to this issue, I contacted Samsung customer service. The only support offered to me was to perform a factory reset, which I followed, but it did not solve the problem, and the connection issues continue. Afterwards, I was told that the only option would be a paid repair, meaning I would have to cover the cost myself. However, this problem clearly started after the official Samsung software update, and I do not consider this to be user‑caused damage. I find it unacceptable that I am asked to pay for a repair for an issue triggered by a Samsung update, especially when my phone has become almost unusable because of it. I request that Samsung identify and resolve this network and internet connection problem free of charge, either by providing a software fix/update or by repairing or replacing the device without any cost to me, so that I can use my phone again without constant connection problems.