Hi Spartan117,
The fw file I use now is "Amcrest_IPC-AWXX-V2_Eng_N_AMCREST_V2.620.00AC003.3.R.20190803.bin". That is working well, except for the various PTZ issues I listed in my earlier post. I've learned to work around those issues.
The previous fw file I used was "Amcrest_IPC-AWXX-V2_Eng_N_V2.520.AC00.18.R.20170629.bin". When I attempted to "downgrade" to this from the R.20190803 update, it completely killed the camera -- as described in my earlier post.
There are two newer releases available for download -- but I have not tried either of these:
Amcrest_IPC-AWXX-V2_Eng_NP_AMCREST_V2.620.00AC00.3.R.20191218.bin
Amcrest_IPC-AWXX-V2_Eng_N_AMCREST_V2.620.00AC00.3.R.20200330.bin
I do still have the old R.20170629 file if you want to risk it. Just to reiterate, it BRICKED the camera I tried to downgrade from R.20190803. DANGER WILL ROBINSON, DANGER!!
Not sure how to share the file with you. I apparently don't have enough posts to allow PMs.