Telecom mobile phone can't send SMS. Huawei C8500 error code-1

Dear telecom users, hello! Welcome to China Telecom Products Department,

According to your description, please check your mobile phone terminal or UIM card according to the following steps: Step 1: Check whether the mobile phone data network service is turned on; Step 2: Turn off the WLAN Internet settings; Step 3: clear the unused programs and files in the memory of the mobile phone; The fourth step: the exchange test between CTNET and CTWAP; Telecom mobile phones have two internet settings: CTNET and ctwap. Please check the setting parameters: 1, WAP parameters: APN number: CTWAP, phone number: #777, user name :ctwap@mycdma.cn, password: vnet.mobi, proxy server address: 10.0.200, port 80 (recommended). 2.NET parameters: APN number: ctnet, telephone number: #777, user name :ctnet@mycdma.cn, password: vnet.mobi Step 5: Check whether the mobile phone application software turns on the traffic restriction operation; Step 6: Back up important data on the mobile phone, such as address book files. , and perform initialization operation or restore factory settings; Step 7: Change the phone and card, and judge whether the phone is faulty or the UIM card is faulty. Mobile phone failures can be handled through after-sales consultation; If it is a UIM card problem, please change the card directly in the business hall.

If the above information cannot solve your problem, you can log on to the website of China Telecom's online business hall/or call 10000. I wish you a happy life.