Samsung

Try out the app available on galaxy store named as good lock by samsung it let's you customize your lock screen, recents screen navigation bar and quick panel

Galaxy a 30 has a feature like s10 the adaptive power saving mode I appreciate Samsung for this feature

Samsung should add Bixby routines to its mid range phones also

Samsung always selects what's best for your device and they have added slomo on Samsung members request #slomo

That's what samsung gives you that none other company gives it gives assurance that your phone will last longer