Question about AT&T CECT Unlocked i68+ Quadband GSM FM Mobile Phone+Free gift Smartphone

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Phone reads second sim invalid


Just recieved my ka08
sim1 works fine but sim2 reds "sim card invalid"
i know its not the sim as i have tried them both in either slot,
chosing dual sim open from the menu makes no difference :(

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Invalid Sim,
Bought a Samsung S Dous last week, both the sim's worked well for 2 days, now only 1 sim works & some times both Sims does not work - Is says Insert Sim. Any Samsung Guys out there can help solve this issues.

Posted on May 06, 2013

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Why don't you try other SIM's with a different network operator...

Posted on Sep 09, 2009

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Go to Settings/Dual SIM settings and choose Dual SIM open. Perhaps this is the problem.

Posted on Aug 05, 2009

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Posted on Jan 02, 2017

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SOURCE: My new i68 does not acknowledge my AT&T sim

The phone does recognize the card now. It now shows "AT&T" when I first turn it on. But there seems to be a software version problem. If I click on "Sim 1" to dial (I don't get a "Dial" button) it will dial the number. However I still cannot see my contacts. Could they be saved to the old phone memory rather than the sim? I have to get my wife's sim card and see if her contacts are visible. If they are, then this could be a problem with my card or the contacts are on the phone memory.

Posted on Dec 08, 2009

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I am just trying to use my Sci i9 I inserted the sim card but it says Sim1 closed insert Sim2 . what do I do


it may be your sim1 card slot does'nt work..... or the settings of phone can be changed... or try to format your phone.....

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I recently bought a samsung chat gt-c3222 but i cannot receive call in sim2 while talking in sim1. plz suggest wat 2 do


do one think their is on option call diverting
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Purchased B5722 samsung cell phone yesterday. Kindly assist me in solving the following problems: (a) Cell Phone Sim1 and Sim2 both reject calls made from residence Landline, but when calling from Sim1...


Dear Please find the answers below:
(a) Cell Phone Sim1 and Sim2 both reject calls made from residence Landline, but when calling from Sim1 and Sim2 to residence Landline, both calls go through.
This is actually the problem of service provide I think as this some times happens with me as well, try other landline nos, if it works it is not the handset problem.
(b) To set Ringtones to Call Alert Sim1, tried: Menu - Settings - Phone Profiles - Normal - Voice Edit . The screen does not change on pressing Voice Call Ringtones. Spent countless hours trying to set Ringtones for incoming calls of Sim1 & Sim2, Messages alert for Sim1 & Sim2, but did not succeed
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(c) Could not clear multiple Icons overlapping each other on main screen.
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I am using a china dual sim moble which i purchased from Dubai. when i reached India sim1 slot is working and sim2 slot shows invalid sim. can you pls advice me how to go ahead to use both sim in this...


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Feb 18, 2010 | Cell Phones

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No IMEI No.


my mobile is sigmatel FXD 3600 dual sim.
my sim1 is work and sim2 is not work.
imei no. is one.
please registre my imei no.

Dec 11, 2009 | Nokia 3310 Cellular Phone

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SIM2 locked after two weeks


put sim card back into #2..switch sim #2 by itself...now call the Lebera carrier from a land phone (the tech will help you reset the lebara sim card)..once you are back on with lebara switch back to dual sim.........

Aug 19, 2009 | Dual Electronics CECT P168 Cellular Phone

1 Answer

I68, not read sim


Change of the SIM Places that you inserted !
Insert your working SIM1 to phone SIM2 SLOT Insert your not working SIM2 to phone SIM1 SLOT

Solution :
  • If your SIM2 that you inserted into SIM1 SLOT remain not working !
  1. Your sim card is defected or Phone does not support this sim card!


  • If your SIM1 that you inserted into SIM2 SLOT is not working
  1. There is a problem with phone's SIM2 SLOT

In case of SIM2 SLOT problem i can help you to get it fixed contact : omniarepair at gmail dot com

Best Regards

Jun 24, 2009 | Dual Cell Phones

4 Answers

I have a Rocada Xphone and am unable to get it to ring, text or make calls. It is saying something about 2 SIM cards.. what can I do?


I have a rocada xphone (gold) and it has two sim slots but you can go to the settings app and select to use only one sim. I only use one because i am with t mobile. I had to call t mobile so they could send me the t mobile settings and they sent it in a text message. Now i have the internet and can send and recieve pic msg.

1. press settings on your phone
2. dual sim settings
3. only sim1 open (make sure that is the one you put your sim inside because it has two slots and they say sim1 and sim2)

so when you go back to the main screen at the top there should be an X by the 2. and it will say sim2 closed on the main screen.

Dec 09, 2008 | Nokia 5140i Cellular Phone

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Model phone: TV-MOBILE 5800 - SIM INVALID


get both sim option (switched on) from the way of main menu settings.
and restart your mobile phone.
and use both sim"s(sim1 and sim2).

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