@Kayus Hi, which version is your 4g router? could be the APN profile thats not been entered correctly/automatically.

Hi, which region are you located EU/US etc as the Archer AX1800 is supposed to support oneMesh edit: I assuming you`d be using easyMesh and not oneMesh ? I think they are still compatible so long as...

@Antonio51_ Hi, if google translate was correct you ask how to update your firmware for MR600 V1 4g sim router? If so I think you may already have the latest version available maybe the ISP profile...

Hi Require more info Router Model and firmware version and a better description of what is wrong

flashing a bricked router doesnt need to have access from gui but you`d need to find a recovery.bin file for that specific router

Seems very fishy to be honest for the hassle your going have searching for a what would be a very simple process, I`d just open a refund action providing it said returns accepted...hope you get...