# EM7511 not connected to any network

**URL:** https://forum.sierrawireless.com/t/em7511-not-connected-to-any-network/25042
**Category:** MC/EM Series
**Created:** [September 28, 2021, 8:13am UTC](https://forum.sierrawireless.com/t/em7511-not-connected-to-any-network/25042 "2021-09-28T08:13:06Z")
**Posts on this page:** 1
**Showing post:** 8

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### Author: ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)
#### Post date: [September 28, 2021, 12:19pm UTC](https://forum.sierrawireless.com/t/em7511-not-connected-to-any-network/25042/8 "2021-09-28T12:19:08Z")

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You can see here

> [@How to update the RC7620 firmware with "qmi-update-firmware"](https://forum.sierrawireless.com/t/how-to-update-the-rc7620-firmware-with-qmi-update-firmware/24154/35):
>
> Hello jyijyi, I can’t find the information to know when the “fwdwl-litearm” operation is successfully completed. it’s for the automatic update Do you have an idea? I have attached the log of the update. [fwdwl.zip](https://forum.sierrawireless.com/uploads/short-url/6ZHQmWF1t2CmvM9D5bPVc5WN15g.zip) (2.1 KB) Thank you for your help See you soon JFT

Also you can see here

> [@Unable to upgrade firmware for EM7411](https://forum.sierrawireless.com/t/unable-to-upgrade-firmware-for-em7411/25000/3):
>
> @leo You might also want to check what rights you have against that interface, you might be able to see it but not write to it. pi@raspberrypi:~ $ ls /dev autofs cuse i2c-1 loop5 mmcblk0p2 ram11 ram7 shm tty12 tty21 tty30 tty4 tty49 tty58 ttyAMA0 vcs1 vcsa3 vcsu3 video14 block disk initctl loop6 mqueue ram12 ram8 snd tty13 tty22 tty31 tty40 tty5 tty59 ttyprintk vcs2 vcsa4 vcsu4 video…

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