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Hi, i faxing the mobile network problem in Malasia using Umobile network. any one know how to fix the issue. When i swicth on the 3G service. the signal will go off immediatly.
so sad. Thanks for yours helpSmiling
What frequency does Umobile use?

Are you on 4.1.2 or 4.2.1?

What baseband are you using?
i dont know if its related to your issue but it happened to me before and it was always "roaming" ... i changed to WCDMA and it fixed that. i dont lose signal at all using 3G now