any update here?
it worked for me after i installed an external antenna, but today i made the mistake and updated to latest firmare, now the reconnects are back:
Mon Jan 18 16:58:35 2021 daemon.notice netifd: ppp_4 (7150): udhcpc: sending renew to xx.xx.xx.xx
Mon Jan 18 16:58:35 2021 daemon.notice netifd: ppp_4 (7150): udhcpc: bind(UDP): Cannot assign requested address
Mon Jan 18 16:58:35 2021 daemon.notice netifd: ppp_4 (7150): udhcpc: sending renew to 0.0.0.0
Mon Jan 18 16:58:35 2021 daemon.notice netifd: ppp_4 (7150): udhcpc: lease of xx.xx.xx.xx obtained, lease time 7200
Mon Jan 18 16:58:36 2021 local1.info hotplug-gsmstate[13849]: envACT: ifupdate
Mon Jan 18 16:58:36 2021 local1.info hotplug-gsmstate[13849]: envDEV: wwan0
Mon Jan 18 16:58:42 2021 local1.notice fwblock[14292]: Started fwblock
Mon Jan 18 16:58:42 2021 local1.notice fwblock[14292]: Applying SSH blocks
Mon Jan 18 16:58:42 2021 local1.notice fwblock[14292]: Applying WebUI blocks
Mon Jan 18 16:58:43 2021 user.notice firewall: Reloading firewall due to ifupdate of ppp_4 (wwan0)
Mon Jan 18 16:58:44 2021 local1.notice fwblock[14382]: Started fwblock
Mon Jan 18 16:58:44 2021 local1.notice fwblock[14382]: Applying SSH blocks
Mon Jan 18 16:58:44 2021 local1.notice fwblock[14382]: Applying WebUI blocks
Mon Jan 18 16:58:45 2021 local1.info hotplug-gsmstate[14431]: envACT: ifupdate
Mon Jan 18 16:58:45 2021 local1.info hotplug-gsmstate[14431]: envDEV: wwan0
Mon Jan 18 16:58:48 2021 user.notice firewall: Reloading firewall due to ifupdate of ppp_4 (wwan0)
Mon Jan 18 16:58:49 2021 local1.notice fwblock[14648]: Started fwblock
Mon Jan 18 16:58:49 2021 local1.notice fwblock[14648]: Applying SSH blocks
Mon Jan 18 16:58:49 2021 local1.notice fwblock[14648]: Applying WebUI blocks