My phone automatically started to download a custom OS I have a Android Samsung A10 why?

[Android Central Question]

My phone just all of the sudden ask me do I want to download a custom OS and then I just started downloading it and I said no

 

[belodion]

What were you doing on the phone when this happened? https://forums.androidcentral.com/ask-question/409154-join-android-central-community.html

 

[mustang7757]

My phone just all of the sudden ask me do I want to download a custom OS and then I just started downloading it and I said no

Can you post a screenshot ? Did you try to root the device?

https://forums.androidcentral.com/showthread.php?t=413366

 

[B. Diddy]

Welcome to Android Central! I'm guessing you accidentally booted into Download Mode, which is how the user can manually download firmware: https://www.hardreset.info/devices/samsung/samsung-galaxy-a10/download-mode/