# Downgrade AX-1800

**URL:** <https://forum.gl-inet.com/t/downgrade-ax-1800/27713>\
**Category:** Router\
**Created:** [February 28, 2023, 10:11pm UTC](https://forum.gl-inet.com/t/downgrade-ax-1800/27713 "2023-02-28T22:11:22Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![sniffel\_de](https://forum-assets.gl-inet.com/letter_avatar_proxy/v4/letter/s/d9b06d/32.png) [@sniffel\_de](https://forum.gl-inet.com/u/sniffel_de)\
**Post date:** [February 28, 2023, 10:11pm UTC](https://forum.gl-inet.com/t/downgrade-ax-1800/27713/1 "2023-02-28T22:11:22Z")

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Hello,

I have installed FW 4.1 on my Flint. But now I don’t have a captive portal anymore. How can I downgrade again.  
I have two networks. Home network and guest network. The guest network runs via VPN. If I set kill switch but the home network is blocked.

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**Author:** ![yuxin.zou](https://forum-assets.gl-inet.com/user_avatar/forum.gl-inet.com/yuxin.zou/32/11475_2.png) [@yuxin.zou](https://forum.gl-inet.com/u/yuxin.zou)\
**Post date:** [March 1, 2023, 1:56am UTC](https://forum.gl-inet.com/t/downgrade-ax-1800/27713/2 "2023-03-01T01:56:03Z")

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You can reinstall it via Uboot [3.214](https://dl.gl-inet.com/?model=ax1800).

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**Author:** ![bruce](https://forum-assets.gl-inet.com/user_avatar/forum.gl-inet.com/bruce/32/35649_2.png) [@bruce](https://forum.gl-inet.com/u/bruce)\
**Post date:** [October 29, 2025, 4:21am UTC](https://forum.gl-inet.com/t/downgrade-ax-1800/27713/3 "2025-10-29T04:21:01Z")

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