Do not mix hardware versions. The EG8141A5 is different from EG8145V5 or EG8245H5. Using the wrong firmware can brick the device.
Here’s a – not just random download links. huawei echolife eg8141a5 firmware download free portable
), but these are unofficial and may risk bricking your device if the hardware version is not an exact match. OpenWrt & Advanced Loading Do not mix hardware versions