: Never use update files meant for a different radio model or screen size, as this can permanently "brick" (break) your device.

Select . The system will check for available versions. If found, tap Download and then Install once finished. Method 2: Manual Update (USB/SD Card)

Before jumping into updates, it's crucial to understand what you're working with. The core identification keywords are , referring to the manufacturer and its screen resolution. You will typically find two common model variants in user discussions: