Vocore2 reboots when wifi switched on

[mernst]

Hi,

I have a vocore2 which always reboots when wifi is switched on. As long as I keep it off, device works.
I have copied all /etc/config files from a working system to the failing one, without success.

I have the suspicion that the FACTORY partition might be faulty, however looking at three different boards, all of them have slight differences.
I have backup all mtd partitions from a working board, and would now like to re-program e.g. the factory partition.
I also found the MT7628.sh file, which generates a default configuration.
HOWEVER, I do not get mtd to work:
regardless what I do:
mtd unlock /dev/mtd2 or mtd unlock factory, it comes back with
could not open mtd device: factory (or /dev/mtd2)
Could not open mtd device: factory

Obviously I cannot write then as well.
As the board is now not networking, I cannot try to download any other flash_unlock program etc.

Partition factory is marked read-only in DTS file, so I tried to change this and removed /* read-only */. However then kernel wants to start, but somehow does not find a specific magic value pattern to identify a start of a partition.

1. Is there any other way to be able to flash the factory partition?
2. is my assumption correct at all, that a faulty factory partition MIGHT bring the wifi driver to crash?

I do not see any kernel panic, oobs or other messages though.

thank you
Martin

[mernst]

to add, I also have managed to re-flash the FACTORY partition with the MT7628.sh script from Vonger. But this did not help either.
Still the board is rebooting as soon as Wifi is switched on.
Regardless of mode (AP or STA).
Regardless of used OpenWRT (22.03 and 24.10)

[Vonger]

This is FAQ.
Such problem is because when wifi power on, the suddenly current is over 800mA. So if your power supply not enough or wire cable resistor is too high that will cause that.
Recommend, use 1.2A power supply, and use thick wire cable.