Tp-link RE650 eeprom upgrade

If I replace the eeprom (rom) on the TP-Link RE650 V2 from the original 8Mb to 16Mb and manually adjust the partition table for data such as: partition-table base, default-mac base, pin base,...
I wonder if the image for the TP-Link RE650 V1 model would work on it?

Radio settings should be in the last flash block (and you keep the backup copy)
IF you can recover to modded image you have currently running, yes, test it out, then check if persistent MAC and radio parameters are correct and you succesfully upgraded V2 to V1

I've been playing around with the V2 version for a while now, and until I updated or reinstalled the image, the device worked. After the update, there were problems due to incorrect or inconsistent partition table and other data on the eeprom.
I'm more interested in how much and in what ways the two images differ? Would such a step work?
I assume the Wifi driver is the same, probably only the GPOI changes?

The most time-consuming and annoying thing is the constant soldering of the eeprom when I brick the device.

You could compare the two PRs to see where they differ.

ymmv, if v1 boots at all it is workable from there.

I checked both hex codes of the eeprom dump,... the data differs due to the bootloader, different firmware versions,... I also checked both versions of the openwrt image, which also differ. I would need a little more help from others here.
Because I do not have the knowledge to create a new custom image using an image builder.
It would be nice if there was a simpler solution for us inexperienced users to upgrade our favorite equipment.

You can't customize the image that way, using the image builder.

There's plenty of flash chip upgrade threads at the forum, here's one Upgrade TP-link_TL-WDR4300 from 8M to 16M flash.

thanks for linking my upgrade @frollic, I got a notification because of it, so now I am here

@589userr589 If you need help I can guide you step by step. In fact I am on my third router flash upgrade for WDR4300 today. I am going to read up on your router (RE650 V2) a bit and see what steps may need to be adjusted.

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That would be great... But I'm not sure if I'll be clear about the steps.