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[Q] Is there a way to repair network problems in sgh-i317?

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Thanks Meter: 5
By ramirnuel, Member on 10th February 2014, 05:14 PM
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I have the note 2 from at&t and I can't even call with it because it has network problems, i have efs backup from efs professional, twrp and nv items made with qpst in .qcn extension and with a software called nv items reader writer that makes the file in .txt, everytime I restore those no matter the way I do it I've end with a crappy signal in my phone, even with no signal at all, I've erased the efs from the phone with odin, with efs professional and with the secret menu *#197328640* in umts/common/nv rebuild/erases all efs1/2/3, it says that erases rf cal too so I'm wondering if that could be the problem since I don't know what is that and didn't do a backup of that, so my question is if someone could help me with that problem, I've been like 3 months now with that issue and can't solve it even with my efs backups.
By the way, the antenna was repaced and the problem persist.
Thanks in advance and if I'm not so clear let me know.
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