Samsung 7 109 will be automatically deleted as soon as it receives the message.

According to your description, this may be a problem with your SIM card. We suggest you try to replace another SIM card. If it still doesn't work properly, we suggest that you restore the backup data of your mobile phone to the factory settings (Settings-Reset-Restore Factory Settings). If the fault still exists, we suggest you contact Samsung Service Center to test the machine. Samsung service center location query: .samsung.com/support/servicelocations.asp.

Samsung knows to provide you with high-quality solutions and answer your questions attentively, hoping to get your satisfactory evaluation.