Have you ever been asked, or ever wondered, âIs refrigerant, especially R-134a, heavier than air?â. Just this week I was asked this very question. Thinking I knew the answer right away, I was able to contain my natural, blurt-it-out style of an answer, at least until now.
Add a Contact to the Blocked List. Block someone from calling or texting you one of two ways: 1  To block someone who has been added to your phone's Contacts, go to. 2  The All Contacts window will appear where you can scroll through names to then tap the name of the contact you'd like to block.
Block calls from a number. To block incoming calls from a number, follow these steps: 1  From any home screen, tap Apps. 2  Tap Settings. 3  Tap Call. 4  Tap Call reject. 5  Tap Reject calls from. 6  Tap the Add icon.7  Select one of the following: 8  Contacts. 9  Select the desired contact, then tap Done.10  Call logs. 11  Select the desired call log entry, then tap Done. 12  New number. 13  Enter the phone ...nblock a number. To allow incoming calls from a number you previously blocked, follow these steps: 1  From any home screen, tap Apps. 2  Tap Settings. 3  Tap Call. 4  Tap Call reject. 5  Tap Reject calls from. 6  Tap the trash can. 7  Select the number(s) you want to unblock. 8  Tap Delete.