[Q] After using Android: Cannot log WinMo into GSM anymore?! Help!

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I have installed:
Topaz 2.2 Froyo RC2.1
XDANDROID.2.2.AOSP.3.9.10.RC.2.2.system.tz
kernel&modules_wifi_battery.7z
Gen.Y DualBOOT WVGA v1.0.6.0 - Storage Card.cab

Those things that should work in Android do work. Even Telephone functions fine so far...

BUT, when returning to Windows Mobile I can not log in to the GSM provider net anymore, when entering my PIN a message "Telefon: Fehler bei Vorgang."

I do not have any clue what to try or do to resolve this problem. Resetting is no real option. Anyone able to help?

Originally Posted by SmashD

I do not have any clue what to try or do to resolve this problem. Resetting is no real option. Anyone able to help?

Try remove battery to some time.
Because, my phone sometimes cannot boot after android - stops on "hTC" screen.
And after reset again, while i not removed the battery.

I have resolved the problem... somehow...

I do not really know what exactly fixed it, but I guess it was switching between Auto/CDMA/GSM and their frequencies in the WinMo CommCenter... Maybe this helps if somebody runs into the same problem in the future.