# World Tracking not working on some (older) devices

**URL:** <https://forum.8thwall.com/t/world-tracking-not-working-on-some-older-devices/2340>\
**Category:** Technical Support\
**Created:** [August 7, 2024, 3:16am UTC](https://forum.8thwall.com/t/world-tracking-not-working-on-some-older-devices/2340 "2024-08-07T03:16:32Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Kenneth\_Tran](https://avatars.discourse-cdn.com/v4/letter/k/ee7513/32.png) [@Kenneth\_Tran](https://forum.8thwall.com/u/Kenneth_Tran)\
**Post date:** [August 12, 2024, 6:39pm UTC](https://forum.8thwall.com/t/world-tracking-not-working-on-some-older-devices/2340/2 "2024-08-12T18:39:08Z")

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@Evan This is the new topic post that we were trying to debug albeit not successful, now as a new post from [Trust\_region\_minimizer.cc:120 Terminating: Residual and Jacobian evaluation failed - #6 by Jack\_Pilley](https://forum.8thwall.com/t/trust-region-minimizer-cc-120-terminating-residual-and-jacobian-evaluation-failed/2030/6).

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