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10-05-2008, 10:47
Having reexamined the problem, I found out that the error message "SIM not registered" doesn't come up immediately after switching on the phone (like a friend of mine told me earlier), but after the phone is registered on any German 3G network for a short while (seconds or minutes). When switching to GSM-only as easyrom recommended, it works flawlessly. Anyway this seems to be a phone-specific issue, since I have talked with a UM+ SIM in a HTC TyTN over a German 3G network before.
terminals: Samsung: Galaxy S5 DuoS (G900FD); BLU: Win HD LTE; Nokia: 1200; Asus: Fonepad 7 ME372CG; Huawei data: E3372, Vodafone R201, K3765, E1762;
postpaid: O2 on Business XL; prepaid: DE: Aldi Talk, Lidl; UK: 3; BG: MTel, vivacom; RU: MTS; RS: MTS; UAE: du Tourist SIM; INT'L: toggle mobile
VoIP: sipgate.de (German DID); sipgate.co.uk (British DID); ukddi.com (British DID); sipcall.ch (Swiss DID); megafon.bg (Bulgarian DID); InterVoip.com
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