Joke Collection Website - Blessing messages - After i939d upgraded Android 4.3, the short message received by the electric signal became "unknown sender" and the content was blank. It's no problem to send text messages with telecom cards.

After i939d upgraded Android 4.3, the short message received by the electric signal became "unknown sender" and the content was blank. It's no problem to send text messages with telecom cards.

Hello:

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), or directly contact Samsung Service Center to test the machine. Samsung service center location query:/support/location/supportservice.do? Page = service. Location and place. cid = cn _ PPC _ support _ service _ repair net _ 120522

Welcome to Samsung's service platform for maintenance reservation: www.samsung.com.cn/pre-booking.