# Can't open app on phone

**URL:** https://discourse.devontechnologies.com/t/cant-open-app-on-phone/87132
**Category:** Tips
**Created:** [June 10, 2026, 3:20pm UTC](https://discourse.devontechnologies.com/t/cant-open-app-on-phone/87132 "2026-06-10T15:20:03Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![Deb\_Too](https://discourse.devontechnologies.com/letter_avatar_proxy/v4/letter/d/90ced4/32.png) [@Deb\_Too](https://discourse.devontechnologies.com/u/Deb_Too)
#### Post date: [June 10, 2026, 3:20pm UTC](https://discourse.devontechnologies.com/t/cant-open-app-on-phone/87132/1 "2026-06-10T15:20:03Z")

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Downloaded app \> Sync \> Open License Settings \> says “not licensed” \> option to buy 1 mo or 1 year; no place to enter my Pro license number. ??

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### Author: ![rmschne](https://discourse.devontechnologies.com/letter_avatar_proxy/v4/letter/r/8baadc/32.png) [@rmschne](https://discourse.devontechnologies.com/u/rmschne)
#### Post date: [June 10, 2026, 3:32pm UTC](https://discourse.devontechnologies.com/t/cant-open-app-on-phone/87132/2 "2026-06-10T15:32:12Z")

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Try Settings → License. that work?

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### Author: ![BLUEFROG](https://discourse.devontechnologies.com/user_avatar/discourse.devontechnologies.com/bluefrog/32/135_2.png) [@BLUEFROG](https://discourse.devontechnologies.com/u/BLUEFROG)
#### Post date: [June 10, 2026, 5:17pm UTC](https://discourse.devontechnologies.com/t/cant-open-app-on-phone/87132/3 "2026-06-10T17:17:18Z")

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[licensing-dttg4.pdf.zip](https://discourse.devontechnologies.com/uploads/short-url/8putHZSrAeMqpJHDWZFJiUKrLFp.zip) (3.5 MB)