Q2698 - OTA issue

Dear All,
We are under migration of Q2687Rd to Q2698;
in which(Q2698) we noticed After sending the OTA sms command with FTP server address and file names, modules send back DOWNLOAD SUCCESS, but software is not getting upadated in it…

Kindly someone help in overcomming this problem!!!

below is my module details

ati9
“DWL”," SWI6200T_02.02.04.22BT R3887 CNSHZ-ED-XP0031 2015/02/13 19:09:00","",“Sierra Wireless”,0,"",“00000000”,“00000000”
“FW”,“FW_753_24.Q268Fx”,“B7.53.0.201502160745.Q2698”,“Sierra Wireless”,1825268,“021615 07:45”,“99ed13d2”,“10002020”
“MODEM 3G+”,“Revision: SWI6200T_02.02.04.22AP R3887 CNSHZ-ED-XP0031 2015/02/13 19:23:44”
“OAT”,“1.0.0.20150528152409”,“DOTA Sample”,“test”,128680,“052815 15:46”,“c950ca21”,“10700000”
-“Developer Studio”,“3.0.0.201403101015”
-“Open AT Application Framework package”,“2.52.0.A1.201401061044”
-“Open AT OS Package”,“6.52.0.A1.201306271522”
-“Firmware Package”,“7.52.0.A1.201401021703”
-“Internet Library Package”,“5.56.0.A1.201307011505”
“ROM”,“8400000”
“RAM”,“4000000”
“OATRAM”,“800000”
“DWLNAME”,“Q2698”

OK

Regards
BR

Hi,
from the ATI9 response, I can see that the module contains the FW version 7.53 and the application is build on 7.52.
Can you please build the application on the same FW version as that of the module and check…

Also what SW are you downloading?? are you downloading application or FW?