Hello, my 4 is Unicom card, and I sent a short message. There is always an unknown error when setting the number of centers. What should I do?

Center number cannot be empty. The number of China Unicom SMS Center is:

Beijing+861301012500 or 008613012500.

Shanxi+8613010701500 or 00861301070/500.

Shanghai+8613010314500 or 0086130103/4500.

Anhui +86 130 10305500 or 0086 130 10305500.

Shenzhen +86 130 10888500 or 0086 130 10888500.

Xinjiang +86 130 10969500 or 0086 130 10969500.

Shandong+8613010171500 or 0086130171500.

Qinghai +86 130 10776500 or 0086 130 10776500.

Jiangsu+8613010341500 or 008613010341500.

Gansu +86 130 10879500 or 0086 130 10879500.

Zhejiang +86 130 10360500 or 0086 130 10360500.

Ningxia +86 130 10796500 or 0086 130 10796500

Fujian +86 130 10380500 or 0086 130 10380500.

Guizhou +86 130 10788500 or 0086 130 10788500.

Sichuan+861301081500 or 00861301081500.

Yunnan +86 130 10868500 or 0086 130 10868500.

Chongqing+8613010831500 or 008613010831500.

Hunan+8613010731500 or 008613010731500.

Hainan+8613010501500 or 00861301050/500.

Hubei+8613010710500 or 008613010500.

Heilongjiang +86 130 10980500 or 0086 130 10980500.

Guangdong +86 130 10200500 or 0086 130 10200500.

Jilin+861301091500 or 00861301091500.

Guangxi+8613010591500 or 008613010591500.

Tianjin+8613010130500 or 0086130130500.

Henan+8613010761500 or 008613010761500.

Hebei+8613010180500 or 0086130180500.

Jiangxi +86 130 10720500 or 0086 130 10720500.

Inner Mongolia +86 130 10950500 or 0086 130 10950500.

Liaoning +86 130 10240500 or 0086 130 10240500.