[OpenWrt-Devel] Question: Migration from ar71xx to ath79

[Pumr, Ondrej (EEK)]

Hello,



I have TP-LINK TL-WR842N-V3 running OpenWrt 18.06 with ar71xx and I want to migrate to  OpenWrt 19.07 with ath79.



In the list of known issues it is written, that "Sysupgrade from ar71xx to ath79 and vice versa is not officially supported, a full manual reinstall is recommended...".



I don't understand the meaning of "full manual reinstall", but I thing, that instead of upgrading the firmware via web interface with image "openwrt-19.07.0-ath79-generic-tplink_tl-wr842n-v3-squashfs-sysupgrade.bin" (size about 4 MB), it is recommended the upgrading via bootloader + TFTP with image "openwrt-19.07.0-ath79-generic-tplink_tl-wr842n-v3-squashfs-factory.bin" (size about 16 MB).



I am right or does the "full manual reinstall" means another special procedure?



Thank you



Best regards



Ondřej Pumr

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