samfingcul 0 Posted February 22, 2017 hello guys, I have few dahua dvrs with firmware 2016-1-23 and i want to downgrade to version 2015-3-17 because the newer version is not working properly on older PSS version. does anyone know if is possible to do downgrade on dahua dvrs ? if yes, can please explain how to do it ? ps. smart pss is not a solution. i want to downgrade the firmware Share this post Link to post Share on other sites
tomcctv 190 Posted February 22, 2017 hello guys, I have few dahua dvrs with firmware 2016-1-23 and i want to downgrade to version 2015-3-17 because the newer version is not working properly on older PSS version. does anyone know if is possible to do downgrade on dahua dvrs ? if yes, can please explain how to do it ? ps. smart pss is not a solution. i want to downgrade the firmware Hi. There are a few versions of PSS that you can use .... Sent one to your pm. Share this post Link to post Share on other sites
iTuneDVR 2 Posted February 22, 2017 (edited) does anyone know if is possible to do downgrade on dahua dvrs ? if yes, can please explain how More details about your DVR model? Edited February 23, 2017 by Guest Share this post Link to post Share on other sites
samfingcul 0 Posted February 23, 2017 does anyone know if is possible to do downgrade on dahua dvrs ? if yes, can please explain how More details about your DVR model? Hello again, @tomcctv - i will try each software from there. @iTuneDVR - the dvr that not work properly (error images) is HCVR 4104 HS S3 with firmware 2016-1-23. i have another DVR which works OK and is HCVR 4104 HS S2 with firmware 2015-3-17. what im trying to do is to downgrade the eronate firmware 2016-1-23 to 2015-3-17 if is possible. Share this post Link to post Share on other sites
iTuneDVR 2 Posted February 23, 2017 @iTuneDVR - the dvr that not work properly (error images) is HCVR 4104 HS S3 with firmware 2016-1-23. i have another DVR which works OK and is HCVR 4104 HS S2 with firmware 2015-3-17. As you see it's different model name. what im trying to do is to downgrade the eronate firmware 2016-1-23 to 2015-3-17 if is possible. For S3 - 20160123 -is the start firmware!!! Try upgrade your S3 Share this post Link to post Share on other sites
Securame 0 Posted February 24, 2017 @iTuneDVR - the dvr that not work properly (error images) is HCVR 4104 HS S3 with firmware 2016-1-23.i have another DVR which works OK and is HCVR 4104 HS S2 with firmware 2015-3-17. what im trying to do is to downgrade the eronate firmware 2016-1-23 to 2015-3-17 if is possible. HCVR4104HS-S2 and HCVR4104HS-S3 are completely different units. You can NOT put the old firmware for the S2 series on the S3 series. Share this post Link to post Share on other sites
iTuneDVR 2 Posted February 24, 2017 HCVR4104HS-S2 and HCVR4104HS-S3 are completely different units. You can NOT put the old firmware for the S2 series on the S3 series. Yes, as I said, and suggested raising the firmware to the S3 model Share this post Link to post Share on other sites
