# Sound stuttering on non Dirac input, ref#99

**URL:** <https://arcam.discourse.group/t/sound-stuttering-on-non-dirac-input-ref-99/162>\
**Category:** Issues\
**Tags:** firmware\
**Created:** [October 5, 2020, 6:53am UTC](https://arcam.discourse.group/t/sound-stuttering-on-non-dirac-input-ref-99/162 "2020-10-05T06:53:17Z")\
**Posts on this page:** 1\
**Showing post:** 18

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**Author:** ![jvs1](https://yyz2.discourse-cdn.com/free1/user_avatar/arcam.discourse.group/jvs1/32/10_2.png) [@jvs1](https://arcam.discourse.group/u/jvs1)\
**Post date:** [December 22, 2020, 4:10pm UTC](https://arcam.discourse.group/t/sound-stuttering-on-non-dirac-input-ref-99/162/18 "2020-12-22T16:10:38Z")

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I revived and updated an old post which describes the various methods how to update the SA30 firmware. Please refer to the link below.

> [@How to update SA30 firmware manually](https://arcam.discourse.group/t/how-to-update-sa30-firmware-manually/42):
>
> This article describes a number of methods on how to update the SA30 firmware. Please note the last step is essential for the update: the unit MUST be restored to factory defaults and any setup changes made again after an update. [Post upgrade](#post_upgrade) After the firmware upgrade Google Cast has to be reconfigured. If you do not reconfigure Google Cast then you won’t be apply to cast to the SA30 through Google Cast. Refer to the next article how to reconfigure Google Cast: [To update via USB (recommended…](#usb)

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