Yep, did that already. But.once.again.checked.it.out. Result: l2fix: no SIP standard open mode: no SIP e-yes nitdroid: no SIP stock Harmattan kernel: working SIP going back to l2fix.openmode: no SIP All with ubiboot, but I cannot think of loading 2nd stage kernel being the cause. Or? One more detail, which make me sure it is not related to my provider but to kernel (and maybe other may check this also): even with an internal FRITZ!Box account behaviour is the same.