A triangle-shaped arrow, pointing up. Styled similarly to the left and right triangles and colored as either gray or blue, but shown in orange on Android.
Previously displayed as red on Windows.
Upwards Button was approved as part of Unicode 6.0 in 2010 under the name “Up-Pointing Small Red Triangle” and added to Emoji 1.0 in 2015.
U+1F53C
? Up-pointing small red triangle