the device during this time as it could "brick" or permanently damage the unit. Are you looking to unlock the device for a different carrier, or are you just trying to fix a connection issue with the latest update? How to update router firmware - Lenovo account
For the E5783B-230, Huawei has released various firmware iterations over the lifespan of the device. e5783b-230 firmware
Huawei does publicly host consumer router firmware. Use these sources: the device during this time as it could
The safest method. On the web interface: Huawei does publicly host consumer router firmware
While I don't have specific information on the E5783B-230, here is a general guide on how to update firmware for a device like this:
Open a web browser and enter the default IP address found on the sticker under the battery (usually 192.168.8.1 Log in with your administrator password. Navigate to More Functions > System > Update Check for Updates One-click update Critical Firmware Update Tips Do Not Turn Off: