The number of short messages is 1kb.

If the short message charge is unstable, it shall be calculated according to the number of messages or charged according to the charging standard of short message packets.

On the computer, 1kb= 1024b, and a Chinese character is 16b, then 1kb is 56 Chinese characters. It should be noted that the computer uses KB by default, 1KB=8kb, so 1KB contains 5 12.