Yes, but many phones only have 1440p screens. However, you can download 4K files via Netflix/Prime to your phone to cast to a 4K TV later.
While the idea of downloading free 4K Telugu movies is tempting, the reality is full of quality fakes, cybersecurity threats, and ethical issues. The interesting shift is that (often before pirate sites can even rip a decent copy). For the best experience, support Tollywood by streaming legally. Download 4k Movies Telugu
Approximately ₹1499 per year for the Gold tier (introductory offers may vary). Yes, but many phones only have 1440p screens