What does إشارة تحذير look like on DoCoMo?

On DoCoMo it is the design shipped in 2013, shown above at full size. Older revisions are listed beneath it.

When did DoCoMo add إشارة تحذير?

DoCoMo first drew إشارة تحذير in 2001, released 1 يناير 2001.

NTT DoCoMo has shipped 4 versions of إشارة تحذير. Each is dated, so you can see when the design changed.

DoCoMo

NTT DoCoMo has drawn إشارة تحذير 4 times. Every revision DoCoMo has shipped is below, newest first.

What does إشارة تحذير look like on DoCoMo?: On DoCoMo it is the design shipped in 2013, shown above at full size. Older revisions are listed beneath it.
When did DoCoMo add إشارة تحذير?: DoCoMo first drew إشارة تحذير in 2001, released 1 يناير 2001.
How many times has DoCoMo redrawn إشارة تحذير?: NTT DoCoMo has shipped 4 versions of إشارة تحذير. Each is dated, so you can see when the design changed.

DoCoMo artwork for this emoji spans 2001 to 2013.