Does M30S will able to get android 12 update?

Is Samsung m30s will get one ui 3.0 update?

I block a number but still call is coming.. Need to fix the bug

After update to 10 i faces laggin on my phone and game. That laggin not faces on android 9

As far as i know ROM (i.e Read only memory) whis can store data for 1 time after that it converts into non written able memory only special kind of rom can allow multiple write process (i.e EEPROM). mobile maker company use to say ROM is 32 gb or 64 ...