Samsung technician and they said the battery was bad so i got it replaced and after 4 days it stopped Charging again i took it back and they said that the charging port was fried so i got it replaced and then the phone was fine after the new security update the sim started causing ...
Note: A nano SIM card may already be inserted in your phone. 4 - Insert or remove the nano SIM card into or from the tray with the gold contacts facing the front of the phone. 5 - Press the combined nano SIM card tray back into its slot until it clicks, making sure it's secure...