[2025-12-05_13:03:50:944]ATI
[2025-12-05_13:03:50:944]Quectel
[2025-12-05_13:03:50:944]EC20F
[2025-12-05_13:03:50:944]Revision: EC20CEFAR02A07M4G
[2025-12-05_13:03:50:944]
[2025-12-05_13:03:50:944]OK
[2025-12-05_13:03:59:433]AT+ICCID
[2025-12-05_13:03:59:433]+ICCID: 8986032494XXXXXXXXXXXXXXX
[2025-12-05_13:03:59:433]
[2025-12-05_13:03:59:433]OK
[2025-12-05_13:04:10:090]AT+CSQ
[2025-12-05_13:04:10:090]+CSQ: 31,99
[2025-12-05_13:04:10:090]
[2025-12-05_13:04:10:090]OK
[2025-12-05_13:04:19:218]AT+CREG?
[2025-12-05_13:04:19:221]+CREG: 0,2
[2025-12-05_13:04:19:221]
[2025-12-05_13:04:19:221]OK
[2025-12-05_13:04:19:243]AT+CREG?
[2025-12-05_13:04:19:246]+CREG: 0,2
[2025-12-05_13:04:19:246]
[2025-12-05_13:04:19:246]OK
[2025-12-05_13:05:07:264]AT+COPS?
[2025-12-05_13:05:07:266]+COPS: 0
[2025-12-05_13:05:07:266]
[2025-12-05_13:05:07:266]OK
你好，请问一下，这个一直注册不上，这个是固件的原因吗？请发一下最新版本的固件。