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Can't get the phone to recognise any sim card

Have tried 3 , o2 , Orange and Vodafone sim cards but get a similar message 'emergency only' or 'no service'.
Phone is dual sim and supposed to be unlocked.
Chinese seller says it will only work on a 2G network (now he tells me) and the only 2G sim card I could find locally was Lebara so bought two cards on ebay and just the same message. I checked the GSM site to make sure I could use the phone in the uk and I understood that i could but much of it was quite technical for a technophobe like me so i may have been wrong.
It looks like a pretty smart phone (excuse the pun) and i am loathe to give up on it but at least the seller says I can return for credit or replacement but no refund offered.
Found this site so thought i would give it one last go before i spend a tenner on shipping to HK.
Anyone?

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1 Answer

Insert sim show on display


It's likely that the sim isnt being read by the phone. try cleaning it with an alcohol wipe and try again. It may also be that the SIM card isnt recognised by the phone. Is the phone tied to a patricular provider, e.g. vodafone / o2?

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Tip

Default Pin & Security Codes for SIM cards


A number of networks still use a default pin on their SIM cards at the point of dispatch as a security precaution. If you lose or forget the PIN code it can be irritating.

Please note these PIN's will only work if you have NOT changed the default PIN. If you enter the PIN code incorrectly three times, a lock will be put onto the SIM card, and you need a PUK code to unlock it.

You can obtain your PUK by contacting your network service provider.

Default Network PIN Codes:

O2 = 0000/4321

Orange = 1111

Vodafone = 0000

Fresh = 1210

Virgin Mobile = 7890 / 1210

Vodafone = 0000

Talkmobile = 0000

3 = 0000

on Dec 23, 2009 | Cell Phones

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I put vodafone o2 and orange sim card in my mobile and it say inactive sim


i bought a new UNLOCKED phone (SE C902) and have tried both a Voda and O2 sim in it, bith produced an "inactive sim" error. I was advised to get a new sim incase mine was just out of date and doing this provided me with the same error...is there anyway to fix this with out sending it back??

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Hi,
Try inserting a different Sim card and check if it recognizes. If not you need to replace the sim card plate in the phone.

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The answer is that there used to be a connection before O2 and Vodafone started blacklisting handsets! Orange and T-Mobile have been blacklisting handsets for a long time (It is only recently that O2 and Vodafone also started blacklisting handsets).

NB Orange & T-Mobile always lock their handsets!(e.g. an Orange handset will only accept an Orange SIM and will not accept an O2, Voda or T-Mobile SIM)

So if you reported your Orange or T-Mobile handset missing to your network it became barred/blacklisted! BUT it was only barred on your home network. Therefore unlocking the barred handset would enable it to work on every network except the one it was originally locked too! Therefore the phone still had some commercial value, as it would function on at least 3 out of the 4 networks.

It wasn't long before Orange and T-Mobile began to combine their individual blacklist databases. Therefore a phone barred on Orange was also barred on T-Mobile and vice versa. Even at this point the barred handset could be unlocked and used but only on 2 out of a possible 4 networks (O2 & Vodafone).

The government eventually stepped in and forced O2 and Vodafone to update their systems and introduced the CEIR. Now that all the networks share a central blacklist database, even if a barred handset is unlocked it still remains useless on ALL UK networks!


Hope that helps.

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1 Answer

I forgot the phone lock code and tried to guess it several times. After that I cannot unlock the phone anymore, it's just saying that it can make a free emergency call.


Probably the PUK code request kicked in , and now you have locked the SIM card.

The phone can still work if you use a different sim card.

The only way to unlock the Sim card is calling the Company that released the SIM card (eg. Tmobile, 3 , Vodafone , Telecom, At&T, Orange, etc.).

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Invalid sim message on i68 phone


i have the same problem i keep on putting my sims in (one tesco sim & one voda phone sim) and it said the same thing invalid sim. the sim regestars for about 2 seconds then it either says invalid sim or emergancey calls. whats a matter with it should i send it back.kjr2502

Mar 12, 2009 | Dual Electronics CECT P168 Cellular Phone

2 Answers

Need samsung g600 unlocking code


I have just tried it with my new locked to orange g600 and it works fine on all networks.

1-Turn on the phone without sim card .
2-Pull off the battery cover and insert any non-accepted sim card (without turning off the handset)
3-Do full reset *2767*3855# , phone will reboot and goes to Menu .
4-Customize Sp-lock code *7465625*638*00000000*00000000#
5-Unlock your phone with new SP code #7465625*638*00000000#
6-Enjoy G600 unlocked

if it doesn't work after step 3.. try changing the 'non-accepted' sim card that ur putting in..
eg if you are locked to vodafone and you try this method and use an orange sim card and it doesn't work, try using a o2 sim or even virgin :)
its easy good luck

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Is my iphone blocked ?


Is your sim card csm or cdma? I'm not sure if the iphone can handle both, but I know it works with GSM.

If you have a gsm sim card, then you just need to unlock it. Of course, Apple won't let certain carriers use their phones legally. So you have to unlock it. I don't remember the exact process, but there's a good program to help you through it step by step.

Go to this site and read up before trying to do anything technical with your phone (link)wikee.iphwn.org

There's a lot of informtion there, so make sure to read up to find what's best for you. You'll need to know the firmware your phone is using 1.1.4 to 2.2 you need to know. The site I posted should have all the info for you.

Again, if your sim card is gsm, it should be no problem to use your sim.

Alright, good luck.

Caid.

Dec 31, 2008 | Apple iPhone Smartphone

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