Question about Samsung Cell Phones

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My SAMSUNG GalaxyS6 isn’t reading the SIMcard. I turn it on it brings up NO SERVICE also INVALID SIM CARD Network lock sim inserted. I don’t understand it was working earlier today.

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  • Expert
  • 122 Answers

Do you have, or can you borrow another SIM card to check your phone?
Is your phone locked to a specific
If the phone works with the alternate card, then your SIM may be damaged.
If so you can purchase another SIM card from your provider and they should then be able to transfer your subscriber information to the new SIM card.
If when you connect you get a Network Lock message and a dialog box to enter a key, the phone is most likely locked to a specific carrier and you need the unlock code to proceed.
Do you have an unlock code?

Posted on Nov 26, 2017

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6 Suggested Answers

6ya6ya
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SOURCE:

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Posted on Jan 02, 2017

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Diamond E
  • 57 Answers

SOURCE: RIM BlackBerry 7290 network problem

James

This seems to be the multimillion dollar question for Blackberrys and here is how this works.
There is no "magical"code for all BB's
Each Blackberry is item specific based on your IMEI which is located on the inside of your battery compartment.
Your best bet is to go to eBay or similiar and find your blackberry and look for the cheapest unlocking program. AT that point you will be able open your Blackberry.

Posted on Jan 08, 2008

budhoyo
  • 26 Answers

SOURCE: Invalid sim

That's cause your phone , you buy bundle with sim card, so provider protect phone to use sim by other provider, or you ever set phones password to use sim, if nothing like that go to service center to solved your problem.

Posted on Nov 01, 2008

  • 1 Answer

SOURCE: all airtel sim shows limited service on sgh-e250 b

my problem is i can't call and reseving calles to my sgh-e250 and showing limited service on display

Posted on Nov 20, 2008

  • 1 Answer

SOURCE: LG Shine doesn't reconize SIM card

yeah you probably need a new chip due to the 3g network it might work on the other phones because they are older

Posted on Jan 08, 2009

tbock86
  • 68 Answers

SOURCE: a message pops up saying: Invalid or missing sim card. You can still make emergency calls if your service provider supposrts it. I have a sim card in their but i guess it doesn't read it?? HELP ME PL

Is this phone from the same service provider as your simcard? If not, not all phones are unlocked to work with the sim cards of rival companies. If both the phone and sim card are from the sam company, then you can have the company replace your sim card. They usually do this for free as a courtesy as long as you explain the problem to them. Hope this helps

Posted on May 09, 2009

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Invalid sim


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Simcard invalid


Your mobile is locked with some network provider.So whenever you insert a other country network your mobile displays the message like "simcard invalid" .This sim lock can be removed using the codes.If you need get the unlocking service from Superunlockcodes.com .Through this you can unlock your mobile easily.

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My pantech link wont work with my at&t sim it says invalid sim


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Give me formate code for samsung C5212


list of samsung codes for u
Quote:
PLEASE BACK UP YOUR FILES BEFORE UNLOCKING
This will also bring the phone to default settings
1. First do a CUSTOM reset: *2767*2878# (star 2767 star 2878 hash)
turn off the phone
2. take out the battery and sim and put wrong
network SIM and insert a half of it,(pic2501)
so it won't ask for
network password and shows "Insert SIM" message.(pic sam25020)
Now put the battery ,and switch the phone on .(phone shows "InsertSIM" message.)
3.With out turn off the phone push the sim fully in. At this stage the phone isstill asking to "Insert SIM"
4. Make a FULL reset by typing: *2767*3855#(star 2767 star 3855 hash)
5. The phone should reboot working with "wrong" sim inside.
6. Make a Change the NCK password to 8 zeros by typing: *7465625*638*00000000*00000000#(star7465625 star 638 star 8zeros star 8zeros hash)
7. Now Disable
networklock By typing: #7465625*638*00000000#(hash 7465625 star 638 star8zeros hash)
Phone is unlocked (check with *#7465625#)

For Model:
Samsung A300
*2767*637#

Model: Samsung A400
*2767*637#

Model: Samsung A800
*2767*637#

Model: Samsung E500
*2767*688#

In newer phones:
#*7337#

Model: Samsung E700
*2767*688#

In newer phones:
#*7337#

Model: Samsung E715
Turn off the phone. Put a non-accepted Simcard and turn it on. Type*#9998*3323#. Press Exit. Choose menu #7. After phone reboots type *0141# andhit the Call button. Turn off and insert another Simcard. Turn on. The code is00000000.

In newer phones:
#*7337#

Model: Samsung M100
Type *#9998*627837793#. Then type *#9998*737#. Press >/[] (Play Stop) untilphone shows NCK/SPCK number. Press Exit. Type #0111*CODE# (Code is the last 8digits of the NCK/SPCK)

Model: Samsung P400
*2767*3855#

In newer phones:
*2767*927#

Model: Samsung S100
*2767*7822573738#

Model: Samsung S105
Remove Simcard. Enter *2767*7822573738# and after phone reboots, enter#0111*00000000#

Model: Samsung S300
*2767*7822573738#

Model: Samsung S307
Turn off the phone. Put a non-accepted Simcard and turn it on. Type*#9998*3323#. Press Exit. Choose menu #7. After phone reboots type *0141# andhit the Call button. Turn off and insert another Simcard. Turn on. The code is00000000.

In newer phones:
#*7337#

Model: Samsung S500
*2767*3855#

In newer phones:
*2767*927#

Model: Samsung SGH600
*2767*3855#
*2767*2878#

Model: Samsung SGH2100
*2767*3855#
*2767*2878#

Model: Samsung V200
*2767*7822573738#

Model: Samsung X100
Turn off the phone. Put a non-accepted Simcard and turn it on. Type*#9998*3323#. Press Exit. Choose menu #7. After phone reboots type *0141# andhit the Call button. Turn off and insert another Simcard. Turn on. The code is00000000.

In newer phones:
#*7337#

Model: Samsung X600
Turn off the phone. Put a non-accepted Simcard and turn it on. Type*#9998*3323#. Press Exit. Choose menu #7. After phone reboots type *0141# andhit the Call button. Turn off and insert another Simcard. Turn on. The code is00000000.

In newer phones:
#*7337#

Model: Samsung Universal
TEMPORARY UNLOCK:
Put a non-accepted Simcard and turn it on. Type *#9998*3323#. Press Exit. Youwill get a new menu. Select Malloc Fail.

In newer phones:
#*7337#

d500 - #*7337# - ( but not in the newer software versions )

================================================== ===================
================================================== ===================
================================================== ===================
update 04/02/07

1. If you have changed your phone password, change your password back to thedefault 8 zeros (00000000).
1a. NOTE (Modification here by my experience): Goto SETTINGS, SECURITY, thenSIM LOCK and disable this before proceeding.
2. Put a SIM card that is from a network other than the one your phone islocked to
3. When Incorrect SIM error comes up, type *#9998*3323#.
4. White screen will appear with an exit option. Press the right softkey.
5. From the menu that appears, select the Malloc Fail option. This will rebootthe phone and the normal service screens will appear.
6. Type *0141# and then press the green call key. "Personalization"or "Personalized" will appear.
7. Turn off your phone and put the original SIM back in.
8. Turn on your phone. You will receive a prompt to enter a password.
9. Type 8 zeros (00000000) (This is because the SIM LOCK mentioned earlier getsswitched back on)
10. Completed. You have now unlocked your phone.

tested on e900 and d900 phones - may work on similar models but not sure
ps this will work with your new sim but if you try anither sim not used in thatphone bofore it will need code doing again

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1 Answer

Invalid sim card


It shows Sim Error or else Invalid Sim...Or even though Sim Inserted it asks "Insert Sim"
If it says anyone of the error like that means Your Mobile is Locked To Network ..You need T Unlock it to insert other Network Sim GSM Sim Card....
It may locked to some Network....You can get the code here
http://www.superunlockcodes.com/supported-phones/rs12wp7/ and Unlock the Mobile from the Network Lock....
I hope..You got solution...

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It may Due to Network lock...it will show like "Insert Sim".,Sim Error",Invalid Sim",Insert Sim" this resembles it locked to some Network,You need to Unlock it...You can get the Unlock code at reliable cost at here
http://www.mobileunlocksolutions.com/samsung-monte/rs1wp9/ and unlock the Mobile from the Network Lock.

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1 Answer

A message pops up saying: Invalid or missing sim card. You can still make emergency calls if your service provider supposrts it. I have a sim card in their but i guess it doesn't read it?? HELP ME PL


Is this phone from the same service provider as your simcard? If not, not all phones are unlocked to work with the sim cards of rival companies. If both the phone and sim card are from the sam company, then you can have the company replace your sim card. They usually do this for free as a courtesy as long as you explain the problem to them. Hope this helps

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