# Does LGUDID is unique for per tv?

**URL:** <https://forum.webostv.developer.lge.com/t/does-lgudid-is-unique-for-per-tv/3907>\
**Category:** Web App Development\
**Created:** [September 13, 2023, 8:34pm UTC](https://forum.webostv.developer.lge.com/t/does-lgudid-is-unique-for-per-tv/3907 "2023-09-13T20:34:04Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![mkvod01](https://avatars.discourse-cdn.com/v4/letter/m/73ab20/32.png) [@mkvod01](https://forum.webostv.developer.lge.com/u/mkvod01)\
**Post date:** [September 13, 2023, 8:34pm UTC](https://forum.webostv.developer.lge.com/t/does-lgudid-is-unique-for-per-tv/3907/1 "2023-09-13T20:34:04Z")

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Hi,  
Does LGUDID change when the user returns to factory deafult settings?  
Or is it unique for each TV?  
Thanks

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**Author:** ![narae0.kim](https://avatars.discourse-cdn.com/v4/letter/n/87869e/32.png) [@narae0.kim](https://forum.webostv.developer.lge.com/u/narae0.kim)\
**Post date:** [September 14, 2023, 1:07am UTC](https://forum.webostv.developer.lge.com/t/does-lgudid-is-unique-for-per-tv/3907/2 "2023-09-14T01:07:55Z")

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LGUDID is unique for each TV and stays the same even after the factory reset. Thank you.