[FS#1086] can't upgrade from unifi ap stock BZ.v3.2.12 to lede via syswrapper.sh update2

[LEDE Bugs]

The following task has a new comment added:

FS#1086 - can't upgrade from unifi ap stock BZ.v3.2.12 to lede via syswrapper.sh update2
User who did this - Dean Hamstead (djzort)

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https://archive.openwrt.org/chaos_calmer/15.05.1/ar71xx/generic/openwrt-15.05.1-ar71xx-generic-ubnt-unifi-squashfs-sysupgrade.bin works okay also
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More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=1086#comment4675