My mobile us A 31 . The automatic update diwnload a wrong version which cause the sum card to dusapeare I tried many solution and non worked. I formatted it. Service update try to diwnload a wrong version all the time.
Hello I’m Amira, Samsung Moderator we thank you for asking your question we do really apologize for the problem that you face You can visit the nearest Samsung service center and they will be able to help you Kindly send us your address to provide the nearest service center or you can find it following the below link: http://www.samsung.com/eg/support/servicelocation/ thank you
