[FS#667] ZBT 826 / ZBT 3526 - also available with 32MB fash - possible to add this devices, too ?

[LEDE Bugs]

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FS#667 - ZBT 826 / ZBT 3526 - also available with 32MB fash - possible to add this devices, too ?
User who did this - Mathias Kresin (mkresin)

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I had to do some changes on ramips to proper add the ZBT 3526 with 32MB. Would you please test the following images. The associated commits are in [[https://git.lede-project.org/?p=lede/mkresin/staging.git;a=shortlog;h=refs/heads/ramips|my staging tree]] if you prefer to compile from source.


  - [[https://www.kresin.me/files/lede-ramips-mt7621-zbt-wg3526-512M-16M-squashfs-sysupgrade.bin|ZBT 3526 with 16MB image]]: test to ensure I didn't broke anything
    * sysupgrade (with & without preserving the settings)
    * network config is still in /e/c/network
    * led config is still in /e/c/network
    * diag led does work on boot
  - [[https://downloads.lede-project.org/snapshots/targets/ramips/mt7621/lede-ramips-mt7621-ac1200pro-squashfs-sysupgrade.bin|Digineo AC1200 Pro image]]: this image will be the ZBT 3526 with 32MB image in future and I need someone who tests if the upgrade from the AC1200 Pro to the ZBT 3526 with 32MB image does work
    * please sysupgrade from an AC1200 Pro image to the [[https://www.kresin.me/files/lede-ramips-mt7621-zbt-wg3526-512M-32M-squashfs-sysupgrade.bin|ZBT 3526 with 32MB image]] with & without preserving the settings
    * please check if the leds in /e/c/system are renamed to zbt3526
    * otherwise do the same "ZBT 3526 with 16MB" tests from a running "ZBT 3526 with 32MB" image
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=667#comment2345