Hello,
I have a problem with update teltonika RUT9XX form very old firmware (RUT9XX_00.03.528) to the newest version (RUT9XX_00.06.05.1).
Before firmware update I marked "Keep all settings" but after update router was factory rebooted with cleaned APN data.
Without APN data router was cut off the internet and I had to connect directly to router in the location.
That was 300 km away from the company office and we have few such routers with old firmware version in different locations.
Is there any save way to upgrade routers from that old firmware version without loosing settings data?
I had no problem with upgrade from versions 5.XX or 6.XX. I have all firmware versions
Best regards,
Grzegorz