Iphone6plus telecom 4g card can't send text messages.

Hello, first of all, thank you for your support to China Telecom. According to your description, when the SMS function can't be used normally, you can check it according to the following steps:

Step 1: Please turn off the phone, plug in the UIM card, and then turn it on to test whether it is normal, and check whether the phone has downloaded some system software, which will affect the sending and receiving of short messages. If yes, please uninstall it in time;

Step 2: Please replace the mobile phone and test it to determine whether there is any problem with the mobile phone terminal or settings.

Step 3: Check whether the number is set as SMS blacklist or spam number by yourself or the other party's mobile phone. If so, please cancel the setting.

Step 4: If you can't check the settings, please back up the important files and address book on your mobile phone, restore the factory settings or initialize;

Step 5: After the above operations, it is still not restored or does not have the conditions for reloading test. Please go to the nearest telecom business hall for replacement test or consultation.

For details, please visit Anhui Telecom's online business hall. Anhui Telecom will serve you wholeheartedly, and I hope my answer can be adopted by you. The reply is for reference only. For details, please consult 10000 or log on to Anhui Telecom's online business hall.189.cn Anhui Telecom's online business hall has a 30% discount on 4G package, 49 yuan package 99 package, 69 yuan package 129 package, 89 yuan package 199 package, 99 yuan package 299 package, and 20M broadband only needs 20 yuan! Please visit Anhui Telecom's online business hall for details.