I've wrote a post on my blog with all the steps I've followed to upload new firmware and fix a Chinese IP Cam. It's in portuguese, but maybe could help someone.
https://genilto.com/revivendo-uma-camera-ip-chinesa/
Most part of the steps are based on this topic. So, thank you guys.
Thank you very much guys!!!
I've made these same steps like Dave did and I could make my chinese ip cam work again!
My cam is a Besder cam, either from xiongmaitech.
Some problem happened when I was updating the firmware from ICsee app and the cam died.
Having as base what Dave did, I could...