Why did you send an update message, but it still doesn't work?

Please check the SMS space of your UIM card. If the number of short messages is less than 6 (determined by yourself), please delete some short messages and update them again. If you have any questions, please go to China Telecom Business Hall and ask the staff for help.

Thank you for your interest in telecom products. I wish you a happy life. If the above information can't solve your problem, you can also log on to Guangdong Telecom Mobile Mall Enterprise Know Platform /c/gd 189 and ask online customer service for help!