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View Full Version : Siemens C30 problems


SphereGSM
09-18-2001, 16:51
Hi! I saw lots of Siemens C30 phones that weren't working fine with provider who supports EFR (Czech - Eurotel). Once you try make phone call, sound problems occure. Does anyone know where is the problem? I suggest it's connected with DSP, isn't it?

When phone is sent to service center they upload new firmware (2.4) and change some parts. That's all they do and phone has same problem again! Now only way to fix the problem is to turn off EFR feature, but who wants do that?

Any solution?