Sound echoes during a call, The battery icon is empty – Samsung Galaxy Alpha User Manual

SM-A700F, SM-A500FU, SM-A500F, SM-A500H, SM-A500Y, SM-A700FQ, SM-A500F/DS, SM-A500G, SM-A500H/DS, SM-A700H, SM-A500FQ, SM-A500G/DS, SM-A500HQ, SM-A700FD, J1 SM-J100F, Galaxy Grand Prime, J1 SM-J100G, J1 SM-J100H/DD, J1 SM-J100Y, J1 SM-J100FN, J1 SM-J100H, J1 SM-J100H/DS, J1 SM-J100ML/DS