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LG Nexus 5 appears in my Google 'Your devices' since using Firefox for Android?

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  • Freagra is déanaí ó Paul

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I've noticed on my Google Account 'Your devices' screen (https://myaccount.google.com/device-activity) a rogue device has appeared, an LG Nexus 5. I first thought my account had been compromised, but after changing my password (2FA is on too) and removing the device, it keeps reappearing.

I raised this with Google and they directed me to this thread:

https://support.google.com/accounts/thread/20242885?hl=en

suggesting it's caused by Firefox on my mobile? The timings seem to match, I switched to Firefox in November and this is when this LG appeared.

Any info on what's causing this and if I can stop it?

I've noticed on my Google Account 'Your devices' screen (https://myaccount.google.com/device-activity) a rogue device has appeared, an LG Nexus 5. I first thought my account had been compromised, but after changing my password (2FA is on too) and removing the device, it keeps reappearing. I raised this with Google and they directed me to this thread: https://support.google.com/accounts/thread/20242885?hl=en suggesting it's caused by Firefox on my mobile? The timings seem to match, I switched to Firefox in November and this is when this LG appeared. Any info on what's causing this and if I can stop it?
Attached screenshots

Réiteach roghnaithe

Firefox Preview gives me...

Mozilla/5.0 (Android 10; Mobile; rv:71.0) Gecko/71.0 Firefox/71.0

An update, since 23rd Jan this issue has gone away. I had a Firefox update around the same time. The Nexus has been replaced by a generic 'Android Device' in Google my devices.

Read this answer in context 👍 0

All Replies (8)

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HI!

Is this device appears on https://accounts.firefox.com/ > Devices & Apps?

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Hi.

No, only my expected devices are displayed on the Firefox Device & Apps list.

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Seems pretty conclusive. Just tested it.

  • Have Firefox open on both my Mac and Android, on google.com with my Google account logged in (profile pic top right)
  • Go to https://myaccount.google.com/device-activity and logout the LG Nexus 5.
  • Refresh the Google pages on both my Mac and Android. On the Android my account is now signed out.
  • Log back into Google on my Android.
  • Refresh the Google Device Activity page again, the Nexus is back.

So why would a Google login on Firefox for Android be interpreted by Google as an LG Nexus 5? Very weird.

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Enter "what is my user agent" on google.com page. What does it return?

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Android Chrome

Mozilla/5.0 (Linux; Android 10; ONEPLUS A6003) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.116 Mobile Safari/537.36

Android Firefox

Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) FxQuantum/68.0 AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.111 Mobile Safari/537.36

I can override this, but then the user agent would be fixed. Not sure why Firefox isn't picking this up?

Athraithe ag Jamze ar

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Hi

Have you tried this with the new Firefox Preview browser? Does it give the same results?

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Réiteach Roghnaithe

Firefox Preview gives me...

Mozilla/5.0 (Android 10; Mobile; rv:71.0) Gecko/71.0 Firefox/71.0

An update, since 23rd Jan this issue has gone away. I had a Firefox update around the same time. The Nexus has been replaced by a generic 'Android Device' in Google my devices.

Athraithe ag Jamze ar

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Hi

That look like we may have fixed that issue in Firefox Preview. We are still working in improving Firefox Preview, but you may find that it is a smoother and faster browsing experiance.