v380 shenzhen IP camera firmware Model/Firmware: HWV280E12_WF1_PTZ_20180628
step 1: unzip the “AK3918E-V200___V2.6.4.2__2020-07-17”, copy the contents into the SD card root directory(means if there are any folders in the card, do not move them in any of them)
step 2: insert the card into camera again and restart the camera, if your camera has a voice prompt，wait for the camera speaks “firmware update begin---update completing” , if your camera can not speak, please just wait for 3 minutes.
step 3: delete the contents i sent you in the SD card and restart the camera
Camera needs to be powered off when the SD card is taken out or inserted in
And here is a video link about the upgrade . https://www.youtube.com/watch?v=-vB-d9FKFrs&feature=youtu.be