Can you please try clearing the apps cache and data in settings - apps.
If that does not resolve the issue then clear the system cache by turning the phone off and then from a set series of button presses enter into the phones file system and then clear the system cache.
Current Phone ~
Samsung Note 20 Ultra 5G SM-9820 _256Gb SnapDragon 865+
Samsung One Ui 2.5/ Android 10.
Thanks for your help haven't managed to get it working properly yet.Its saying"gmail wont run without Google play service which is currently updating" been saying this for 5 days.Now have no sound playing videos or music 😕