AT&T Sim card stopped working on Amarok

Technical Support for Routers

alzhao January 19, 2021, 3:20pm 2

Can you try this one

AT&T (ATT) network fix Technical Support for Routers

Please note this post is 2020 and the info is old. Not need to do this in 2021 I have received feedback from users that ATT cannot be used. You can try the following steps. Step 1: Enter the AT instruction page and execute the command AT+QPRTPARA=3 [1] [ROXZU%DNUW(9{MDS_9%EMY0] Step 2: Confirm the modem version and execute the corresponding instruction For version R05, execute at+qfopen="../../usr/fota_ip_a/update_report.ur",1 For version R07, execute at+qfopen="../../data/fota_ip_a/up…

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