Huawei E620 loosing VM Sim registration

Johnit

Well-Known Member
Joined
Oct 7, 2006
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Has anyone have a similar experience:
I work with VM 128k SIM - excellent signal strength. After a while, the LED turns green, and F@stlink software looses connection. After approx 60 seconds it complains that Sim is invalid, or complains about sim registration. After a few more seconds it prompts for the pin, whereafter I can connect again. This repeats a few times per hour.

With my MTN Sim and lower signal strength, I don't get this problem. My VM sim still has R20 or more of talk/data value remaining. I have loaded the latest F@stlink software with the update function.

What puzzles me most, is that the card appears to reset or somehow loose the sim registration.
 
Worrying - can a problem with the Sim or the VM data service do so much as reset the E620 card? Will try and compare to VM through cellphone. Same problem with E220?
 
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