EM7511 returns "Attempt Update" after limiting the bands to LTE

[jyijyi]

you can try the MBPL SDK.

Example on establishing data connection by AT!SCACT via MBPL R20 driver

I have also made a document to summarize how to establish data connection by connection manager in MBPL R20 SDK. Example on establishing data connection by MBPL R20.docx (165.1 KB)

but from your AT command of AT!GSTATUS, it says PS state is attached, I believe it should obtain IP address