Hello, friend!
Huawei 2S 4G router are consumer devices. This forum is intended for enterprise network devices.
We can provide consulting and maintenance services for your device. Unfortunately, we cannot provide you with the firmware of your device. We do not have permission to consumer device information. Second, the firmware of your device involves network security. You need to contact your local device provider or your local ISP to obtain the firmware of your device.
If the device does not work properly due to incorrect device configuration, you can reset the device.
Thanks!