# MKR 1500 - modem randomly stops working

**URL:** <https://forum.arduino.cc/t/mkr-1500-modem-randomly-stops-working/967905>\
**Category:** MKR NB 1500\
**Created:** [March 10, 2022, 7:33pm UTC](https://forum.arduino.cc/t/mkr-1500-modem-randomly-stops-working/967905 "2022-03-10T19:33:30Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![trevorstuart24](https://avatars.discourse-cdn.com/v4/letter/t/a183cd/32.png) [@trevorstuart24](https://forum.arduino.cc/u/trevorstuart24)\
**Post date:** [March 10, 2022, 8:39pm UTC](https://forum.arduino.cc/t/mkr-1500-modem-randomly-stops-working/967905/2 "2022-03-10T20:39:54Z")

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you should probably start by updating the firmware: [Firmware upgrade for UBLOX SARA-R410M-02B on the MKR NB 1500 #2 - #12 by zbelding](https://forum.arduino.cc/t/firmware-upgrade-for-ublox-sara-r410m-02b-on-the-mkr-nb-1500-2/699292/12)

although i did this and i'm still having issues

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