This is the most straightforward method as it uses a cloud-based application to pull the latest firmware directly to the head unit. Connect to Internet:
For the purpose of this article, we will focus on the most common use-case: Recent data from user queries suggests that the "Nwd K2501-t5" is running a modified version of Android 10, 11, or 12, requiring specific OTA (Over-The-Air) or manual firmware flashes.
Yes, but the T5 firmware uses a locked bootloader. Rooting (via Magisk) requires unlocking the bootloader, which voids the warranty and may break OTA updates.