[Q] Random data and reception dropps - Samsung Galaxy Nexus

Hello everyone
Im having an annoying issue with all ROMS\Kernels. All works fine but sometimes i get random reception drops (signal bar gets blank or black), reception returns but NOT data. If i turn plane mode on\off and data on\off, i get the H to show near the reception bars but i dont get actual data connection. Data returns only after i reboot the device. I tried changing the APN settings, tried using the GetRil app from the market. No change..
Base band: 19250XXLF1
btw the phone is GSM.
thanks for the help

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