To resolve this issue, follow these simple steps:
1. Please kindly restart the camera by unplugging and plugging the power cord to try updating again.
2. Resetting the Camera: First, slide the Manual Privacy Cover to the left. Locate the reset button and use a sharp object such as a toothpick or paperclip to press and hold it for 5 seconds. Upon hearing the "Reset Successfully" prompt, wait for the device to restart. Finally, slide the Manual Privacy Cover back to the right until it clicks into the locked position.
3. If convenient, could you please turn on the mobile hotspot on another mobile phone and reconnect it to the mobile hotspot? Then, please try to update the firmware again.