Hi Bro,I too faced the same problem. Luckily found one solution. Just give it a try. Worked just fine for me.   https://r2.community.samsung.com/t5/Galaxy-M/Solution-Galaxy-M31-OTA-crash-with-Latest-update/m-p/40...   Hope this helps!

Hi, My phone also got stuck while updating to new software from samsung. Luckily I got a solution and it worked just fine. Try to follow instructions in below link.   https://r2.community.samsung.com/t5/Galaxy-M/Solution-Galaxy-M31-OTA-crash-with-Lat...

Hey buddy!I was too stuck with this problem. Thankfully found a solution on time otherwise it would have been really difficult without my phone in this lockdown period. Check the below and follow the procedure.   https://r2.community.samsung.com/t5/G...