Shanghai Fengxian Part mobile phone was upgraded for two hours yesterday

Washington (reporter Zo Yan) Yesterday noon, the Fengxian area of some mobile phone users found that suddenly unable to dial and answer the phone, mobile phone "lethargy" about 2 hours after the return to normal.　　Reporter subsequently learned from the mobile, signal failure is due to the system upgrade caused by repair has been restored. Ms. Tang, who lives in Fengxian, told reporters that yesterday 11:40 noon, she was in Jiefang middle of a fast food restaurant, want to call friends, but found that the mobile phone can not be used normally. "I'm using the Shanghai mobile number, but it all prompts me for a busy network," he said.　　Miss Tang then asked the rest of the public to eat, and found that all mobile users, both inside and outside the restaurant, can not dial and answer the phone.　　In Sina Weibo, the reporter saw that there are also a lot of netizens, "Symptoms" are not the same: some can not be hit, some can not dial out, and some of the play is not good, we have complained that the fault delayed work and life. Reporter subsequently learned from Shanghai Mobile, because yesterday morning Fengxian area is carrying out expansion upgrade, the process of abnormal situation, resulting in inaccurate data, resulting in some users mobile phone can not call. The affected users mainly concentrated in the old town of Fengxian Bridge, until 1:30 P.M. Xu, mobile users of the call service gradually restored.