Any problems during or after upgrade?
What changes or improvements you noticed?
Can you please give more details on how you upgraded, and what happened? Did you check output on the serial port? You can also contact mikrotik.com support with the supout.rif file and full details.5.21 upgrade bricked two RB493AH. Never had it happen before and I've been upgrading/downgrading a lot since I'm using NV2...(only other incident was with 5.20 upgrade that froze up RB1100 but reboot fixed that one)
All of my APs are on backUPS btw. The AP was running fw:3.41, ROS5.20. I copied the following packages to files:Can you please give more details on how you upgraded, and what happened? Did you check output on the serial port? You can also contact mikrotik.com support with the supout.rif file and full details.5.21 upgrade bricked two RB493AH. Never had it happen before and I've been upgrading/downgrading a lot since I'm using NV2...(only other incident was with 5.20 upgrade that froze up RB1100 but reboot fixed that one)
RouterBOOT booter 2.41Please connect with serial cable and check output.