Questions & Answers for: fix invalid sim card

...sim slots worked fine in US using oxygen o2 prepaid card when I arrived in COSTA RICA got INVALID SIM after inserting local sim card. how do I fix this problem go and flash the phone ok that is ...

...fix an invalid sim card i bought an at&t LG neon go phone. i already have an at&t go phone. i am trying to put my sim card into my new phone but it says invalid sim card. My other phone is ...

Nokia 5800 showing "invalid sim card" when I switched on first time Please help reslove this problem ag phone shows invalid sim how do i fix it,please. noki5800xpressmusic invaild sim iwhen on set

...to activate again the invalid sim card? If you have an invalid sim card you will have to go to your cell phone providors and they will give you a new sim card. It is a pretty simple and easy fix

...fix my blackberry curve 9360 says invalid sim card sos I'm not sure what provider it is could be rim but I'm currently with rogers provider says its roger wireless n it pops up the enter ...

...invalid sim The most common thing for any mobile/cell phone. Easy fix simply take an eraser & rub over the contact of the sim card then making sure not to touch the sim cards chip re-insert in to ...

invalid sim issue be fixed? What can you do for me. Can you help I have recently bought this item. I am on giffgaff network which runs off o2 network and this device has the settings for o2 IRL and o2

fix my iphone 4s i had taken out my sim card but when i put it back the phone says invalid sim card and when i take out the sim card out again it says still invalid sim card it is 2011 model. My phone

...fix it. Would be Better to upload 2 screenshot. 1. Shot of "invalid page" 2. Shot of IMEI page from "About phone/Device/Mobile/ Anyway, maybe there is 3 problems with your device. 1. IMEI Problem ...

...Invalid" message you're getting. Try this. Turn off the phone, remove the sim card and turn the handset back on without the sim in it. Don't worry this won't damage the phone. There should be a logo ...