title: SIM5320 CELL LOCATION
body: <p>i've been trying to develop a project taht uses gps and cell location with SIM5320A, i have successfully implement the GPS location, but when i try to use the AT commands related to the Cell location the SIM responses with an error message, for that reason i bougth a FONA 3g to make some tests with the cell location, but im algo getting error messages. </p>
  
  <p>Hope you can help me with that
  thank you</p>
  
  <p>`
  at
  OK
  at+cpin=0000
  OK</p>
  
  <p>+STIN: 25</p>
  
  <p>+STIN: 25</p>
  
  <p>+CPIN: READY
  a
  SMS DONE</p>
  
  <p>+VOICEMAIL: INIT_STATE, 0, 0
  a
  PB DONE</p>
  
  <p>START
  at+cassistloc?
  ERROR
  AT+ CASSISTLOCTRYTIMES=3,2
  ERROR
  `</p>
  
  <p>UPDATE </p>
  
  <p>I've seen in some forums taht some AT doesnt work depending on the firmware version, mine is 1575B12SIM5320A , should i update to the last one?</p>