# AR-300m upgrade uboot to newer verions

**URL:** <https://forum.gl-inet.com/t/ar-300m-upgrade-uboot-to-newer-verions/1938>\
**Category:** Router\
**Created:** [February 16, 2017, 7:49am UTC](https://forum.gl-inet.com/t/ar-300m-upgrade-uboot-to-newer-verions/1938 "2017-02-16T07:49:34Z")\
**Posts on this page:** 1\
**Showing post:** 21

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**Author:** ![alzhao](https://forum-assets.gl-inet.com/letter_avatar_proxy/v4/letter/a/5f9b8f/32.png) [@alzhao](https://forum.gl-inet.com/u/alzhao)\
**Post date:** [March 17, 2017, 2:07pm UTC](https://forum.gl-inet.com/t/ar-300m-upgrade-uboot-to-newer-verions/1938/21 "2017-03-17T14:07:04Z")

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@vigans, I test again. boot\_dev works. The only problem is position is reversed related to the docs. Now if it is left side, it will boot nor.

1. Left side (near the reset button) –\> Nand flash 2. Right side –\> Nor flash

Just fixed and here is the new uboot.

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