I've installed sim card but no service (no calls, no messages)

Alex Tarkhnishvili

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Oct 9, 2018
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my Galaxy s4 had problems with mounting /efs it said that "cant mount /efs" or something like that. I've found solution to fix it but now when I inserted my sim card it says "no service/emergency calls only" and I really wish to know how to fix it. I've tried "*#*#4636#*#*" with the turning off radio but I cant find that switch button. please somebody help me
 

Rukbat

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Feb 12, 2012
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Evidently you didn't fix the efs problem. Bring the phone to your carrier for assistance, but I'm afraid that they''ll tell you what I already suspect - that it's a hardware problem. You can replace the motherboard, but that wouldn't pay on an S4 - gently used ones are about $70, a new motherboard plus labor could easily cost more than twice that.