i am sachin from india using r-sim and i had iphone 5 us at&t mobile i had editing my ifile for ussd and had done wrong and my iphone does not show signals and also selection of carrier ie automatic and manual and lte toggle swith also has been gone from my phone but my iphone shows only 1 point signal and does not connect to call or anything else plzz help to slove problem i am a newbie
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