<html><head></head><body><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div><div>FWIW, the excellent qmi-firmware-update tool upgraded the firmware on the MC7455 from the original 02.08.02.00_Generic to the latest 02.24.05.06 Verizon image. Very simple and elegant!<br></div><div><br></div><div>When I reestablished the LTE connection (now using the Verizon image), I saw that IMS was registered automatically without any additional changes to the commands mentioned earlier. Pretty cool. </div><div><br></div><div><br></div><div>AT!GSTATUS?<br>!GSTATUS: <br>Current Time: 318 Temperature: 27<br>Reset Counter: 1 Mode: ONLINE <br>System mode: LTE PS state: Attached <br>LTE band: B4 LTE bw: 20 MHz <br>LTE Rx chan: 2050 LTE Tx chan: 20050<br>LTE CA state: NOT ASSIGNED<br>EMM state: Registered Normal Service <br>RRC state: RRC Connected <br>IMS reg state: Full Srv IMS mode: Normal <br><br>PCC RxM RSSI: -69 RSRP (dBm): -102<br>PCC RxD RSSI: -89 RSRP (dBm): -132<br>Tx Power: 0 TAC: 1A02 (6658) <br>RSRQ (dB): -12.3 Cell ID: 0067A00C (6791180) <br><div>SINR (dB): 6.4 </div><div><br></div><br></div></div></div></body></html>