S21 Ultra crash after Android 13 update

[dpashley]

I have carried out the Android 13 update to my S21 Ultra. Currently running cerion G998BXXS5DVK1. Since the update, my phone keeps crashing and locking up. I have to reset (power and volume down button) the phone each time each time to get it working again. This happens several times a day since the update. 

Is there a fix for this or way to downgrade the OS back to a stable version?

[OrganicTimmy]

Try updating all apps from Play Store and Galaxy Store then wiping cache partition to seeing anything changes.

[krayzie15]

I have a s21 ultra and ive been checking everyday for it. Thanks for posting. I might wait a little bit even if it's available

[NPC1]

Might have to factory reset. Although i have a s22u,I had similar issues as you.

[MojoRisin179]

Clearing cache might help and make sure your apps are updated as well

[Atomyk]

I haven't even seen the update yet for my S21Ultra. Been checking for updates as well but nothing.

[user365170tdJ15 · Accepted solution]

Reboot to the Maintenance (Recovery) screen

Select the Clear Cache Partition option

Next, select the Repair Apps option

... it will automagically reboot back ... give it 2-3 to finish up

[dpashley]

I cleared the cache partition as suggested and it now seems stable again with no crashes or lock ups

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[bill-e]

Maybe ask your regional Samsung for help and for any info that they may have for this issue.