Realme has released the Android 13-based Realme UI 4.0 stable update for the GT Neo 3T and Narzo 50 Pro 5G in India. The update for the GT Neo 3T comes with firmware version RMX3371_11.C.04, while the update for Narzo 50 Pro 5G has firmware version RMX3395_11.C.04. But note that your GT Neo 3T should be running software with version RMX3371_11.A.09 to receive Realme UI 4.0, whereas the Narzo 50 Pro 5G should be running RMX3395_11.A.05, RMX3395_11.A.06, or RMX3395_11.A.07. The Realme UI 4.0 update is currently seeding to 15% of the GT Neo 3T and Narzo 50 Pro 5G's users, and a broader...
Source: https://www.gsmarena.com/realme_gt_neo_3t_narzo_50_pro_5g_android_13_realme_ui_4_stable_update-news-57036.php