V1-2 was released in late 2020. Modern Android 13/14 devices (like the Xiaomi 13 or Nothing Phone 2) have patched the firehose loader exploit. On modern devices, this tool will simply return Sahara Fail: Unsupported protocol .
Before you proceed with the download and usage, ensure you have the following prerequisites in place to avoid "connection failed" errors: Android Fastboot Reset Tool V1-2