Update: built ath79 firmware and it worked like a charm. The following changes are needed for 8M mod (following this 16M mod thread).
- change
4mlzma
to8mlzma
in ```
target/linux/ar71xx/image/tiny-tp-link.mk
* change DTS table in ```
target/linux/ath79/dts/ar9331_tplink_tl-wr703n_tl-mr10u.dtsi
Using 0x20000 0x7d0000
for firmware partition and 0x7f0000 0x10000
for art partition.