SIM NOT VALID
Good day!
I just wanna ask for your help guys about my Iphone SE, I cannot use my phone when im inserting a simcard on it it says that "sim not valid".. What to do about this? thank you!
iPhone SE, iOS 11.2.2, null
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Best reply
It could be locked to a different carrier. Should be this case, you must ask the previous carrier to unlock it, if you qualify.
Nodody else can help you, except the previous carrier. Read this support guide:
How to unlock your iPhone for use with a different carrier - Apple Support
Or it could be a different problem:
If you get an alert about the SIM card in your iPhone - Apple Atbalsts
or
that iphone could have a hardware failure (antenna? SIM card reader?). Should be this case, have your iphone inspected at your most convenient Apple Store or Authorized Service Provider:
Apple - Find Locations - Location Selector
Regards
Giulio