Thank you for reaching out to the Samsung community! We would like to inform you that it is a default feature of the device as the volume bar shows the normal and maximum sound through color. Regarding SIM network alignment please once follow the below steps:
- Open settings>>Application>>Application manager>>3 dot/more>>Show system apps>> System UI>>Storage>>Clear data. - If still issue persists, the relevant department will serve you better, if you can provide logs/video within 15 minutes of issue occurrence by registering this feedback in Error Section (Samsung Members App -> Feedback -> Questions/Errors -> Create -> Error reports).
Be sure to hit ♡ when you find an answer that works for you. For further assistance, you can get in touch with us via Live Chat option by following- http://livechat.support.samsung.com/Customer_new/IN. You can also connect us via Samsung Members web community by following mentioned url-https://community.samsungmembers.com/en_IN#/
