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You should tell us what have you done and creates this problem.
It looks like you have lost your IMEI numbers.
Type on the dialler *#06#. It will show the IMEI numbers of your SIM's.
If not then you have lost them.
Search at the web or here of how you can set back the IMEI #. There are a lot of options and tools
of how to do it.
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It broke my screen on a cell phone so I had to change. But I don't understand why there is no signal (everything else works). In some larger cities get a signal, but in my village it does. I checked the IMEI, I've got two numbers, one for SIM 1 and one for SIM 2.
I hope you understend me. (Sorry for my bad english).
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So, it looks like you didn't connect the GSM antenna correct.
You have to open it again and check if the connector is firmly connected to the board.
If I remember correct the antenna located at the bottom of the phone and connects to the main board at the top with a black cable.
Check if there is any distortion at the connector.
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Hello everybody!
I am new in this forum. My name is Marius and i have the following problem:
I bought one smartphone BLU Studio 5.0 Sii US version D572a from Panama and is locked on 3G on 1900MHz.
I my country (Romania) i use 3G on 2100MHz. If i knew from the beginning i would buy D572i EU version but now is too late :-)
Please let me know if you have any ideea how to enable 2100MHz instead of 1900MHz.
Thank you!