Why can't Huawei G520 Mobile send short messages after installing Unicom card?

If you can make a phone call and receive a text message, you just can't send a text message. Maybe the number of the SMS center is wrong. You can search the correct number of the SMS center in your province, reset the SMS center of your mobile phone, and then try again.

The correct SMS center is as follows:

Beijing:+8613010112500

Shanghai:+8613010314500

Shandong:+8613010171500

Jiangsu:+8613010341500

Zhejiang: +86 130 10360500

Fujian: +86 130 10380500

Sichuan:+8613010811500

Chongqing:+8613010831500

Hainan:+8613010501500

Heilongjiang: +86 130 10980500

Jilin:+8613010911500

Tianjin:+8613010130500

Hebei:+8613010180500

Inner Mongolia: +86 130 10950500

Shanxi:+8613010701500

Anhui: +86 130 10305500

Xinjiang: +86 130 10969500

Qinghai: +86 130 10776500

Gansu: +86 130 10879500

Ningxia: +86 130 10796500

Guizhou: +86 130 10788500

Yunnan: +86 130 10868500

Hunan:+8613010731500

Hubei:+8613010710500

Guangxi:+8613010591500

Henan:+8613010761500

Jiangxi: +86 130 10720500

Liaoning: +86 130 10240500

Shaanxi:+8613010841500

Guangdong:

1. The number of SMS service centers in Guangzhou, Zhuhai, Shaoguan, Huizhou, Zhongshan, Jiangmen, Zhanjiang, Maoming, Zhaoqing, Qingyuan, Yunfu, Foshan and Yangjiang is+8613010200500;

2. The telephone numbers of SMS service centers in Shenzhen, Huizhou, Shantou, Chaozhou, Heyuan, Meizhou, Shanwei, Jieyang and Dongguan are +86 130 1088500.