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Hi guys, i'm back. After a time with the problems, i discovered that the problem is the SIM Card. The phone didnt recognize it, please help me.
And yes, i have already done the updates, and done the SUS. But the problems continues. I done too the restart WITH the sim card (when the SIM card is on, the phone restart itself), and WITHOUT it (normal). But when put in AIRPLANE mode, the phone is normal.
(Sorry for my bad english, i'm from Brazil.) PLEASE, HELP ME 
Simple, just get a brand new SIM card BUT make sure its a MICRO SIM CARD if you get a regular SIM and you trim it, it might not work and you might damage the phone
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The problem is the SIM card and not the phone? Serious?
Just get a brand new MICRO SIM CARD if you have the same problem then it might be a hardware issue.
Okay, i will buy a new one, i hope is this. Thank you!
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