[Q] Samsung Galaxy S Duos IMEI

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Ahmedrasheed

New member
Feb 23, 2014
1
0
Hi,

I have an unlocked Samsung Galaxy S Duos and it shows IMEI invalid, accordingly any sim card didn't work and when i insert a sim card it keep telling me unfortunately, System Ui has stopped,

In addition i cannot enter the download mode as it shows red exclamation mark, please help.