@Beccobunsen This looks really complicated I found a video tutorial that explains it. This doesn't look simple at all, any other solution possible otherwise I will just put it aside and probably...

Hello everyone, so I just finished the firmware upgrade from an older version TL-WR841ND_V10_150310 to TL-WR841N/ND(EN)_V10_200325 which all seemed to go fine in the process. Copy files over restarts...