while running mobile app. mobile app stuck giving following output

<000f> sim.c:151 sending result to callback function (type=0) <0005> subscriber.c:379 received KEY from SIM <0005> subscriber.c:601 Requesting SIM file 0x6f30 <000f> sim.c:209 got new job: SIM_JOB_READ_BINARY (handle=00000004) <000f> sim.c:241 SELECT (file=0x6f30) <000f> sim.c:187 sending APDU (class 0xa0, ins 0xa4) <000f> sim.c:876 received APDU (len=0 sw1=0x9f sw2=0x0f) <000f> sim.c:949 command successfull <000f> sim.c:571 GET RESPONSE (len=15) <000f> sim.c:187 sending APDU (class 0xa0, ins 0xc0) <000f> sim.c:876 received APDU (len=15 sw1=0x90 sw2=0x00) <000f> sim.c:949 command successfull <000f> sim.c:1065 selected file (len 249) <000f> sim.c:277 READ BINARY (offset=0 len=249) <000f> sim.c:187 sending APDU (class 0xa0, ins 0xb0)

output of layer1 is

SIM Response (17): 00 00 00 0b 6f 7e 04 00 11 ff 1b 21 02 00 00 90 00 LOST 1923! LOST 1827! SIM Request (5): a0 b0 00 00 0b SIM Response (13): ff ff ff ff ff ff ff 00 00 ff 01 90 00 SIM Request (7): a0 a4 00 00 02 6f 20 SIM Response (2): 9f 0f SIM Request (5): a0 c0 00 00 0f LOST 1878! LOST 1873! SIM Response (17): 00 00 00 09 6f 20 04 00 11 ff bb 01 02 00 00 90 00 SIM Request (5): a0 b0 00 00 09 SIM Response (11): ff ff ff ff ff ff ff ff 07 90 00 SIM Request (7): a0 a4 00 00 02 6f 30 SIM Response (2): 9f 0f SIM Request (5): a0 c0 00 00 0f LOST 1880!

LOST 1870! SIM Response (17): 00 00 00 f9 6f 30 04 00 11 ff bb 21 02 00 00 90 00 SIM Request (5): a0 b0 00 00 f9 LOST 1880! LOST 1870!

Please help me solve this issue