The flag for Burundi, which may show as the letters BI on some platforms.
The Flag: Burundi emoji is a flag sequence combining ? Regional Indicator Symbol Letter B and ? Regional Indicator Symbol Letter I. These display as a single emoji on supported platforms.
Flag: Burundi was added to Emoji 1.0 in 2015.
U+1F1E7
U+1F1EE
?? Regional indicator symbol letter b
?? Regional indicator symbol letter i