Question about Samsung B5722 Cell Phone

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My samsung Duos gt-b5722 not showing any network. when i insert sim it shows full signal but when i dial a number it shows emergency call only. i cant send any message. when i call on my no. it says its switch off. But it shows full signal. Sims not working in the phone.

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  • 229 Answers

Try other sim cards in the phone to be sure the problem is not from the sim. When you are sure the problem is not from the sim, try to reset the phones's factory settings. If it still does not work, then flash the phone.
If the fault was detected to be a sim fault, then get another line of the same network, and call your mobile service operators.
Hope this was helpful?

Posted on Mar 21, 2011

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Posted on Jan 02, 2017

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I have a samsung s3 gt-i9300 i cant make or get


Your Samsung Galaxy S3 must be restricted to some specific network. That is why it allows only emergency calls when a SIM card from some other network is inserted in. You need to unlock your Samsung Galaxy S3 to make it work with all SIM cards. You can unlock your Samsung Galaxy S3 safer and easier using unlock code. You can get the accurate unlock code for a Samsung Galaxy S3 from Unlock-Zone.com at affordable cost. Good luck.

-<()>--<()>--<()>--<()>--<()>--<()>--<()>-
..............UNLOCKING INSTRUCTIONS..............
-<()>--<()>--<()>--<()>--<()>--<()>--<()>-

Method 1:
1 - Switch ON your Samsung Galaxy S3 with a NOT ACCEPTED SIM Card.
2 - Samsung Galaxy S3 will ask for "Password".
3 - Enter the Unlock Code.

OR (if the Samsung Galaxy S3 shows "Insert Correct SIM Card")

Method 2:
1 - Switch ON your Samsung Galaxy S3 with a NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung Galaxy S3.
3 - Compose : #0111*CODE#.

SOURCE: MobileUnlockGuide.com

Oct 02, 2014 | Cell Phones

1 Answer

Dear experts, I have problem with my Samsung Galaxy Ace duos. I can't make calls with my sim 1. Sometimes I can make calls, but most of time I can't. Network indicator is OK.


hai guys i am using samsung galaxy ace duos gt s6802 i am trying use cdma in sim 1 but i am geting emergency only what is solution for this

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I have samsung duos 7722 the internet page does not get open properly it shows not enough memory i have already inserted 2gb memory card. kindly advice me how to use internet


ensure browser and phone software is updated and also use a sim with good network signal for browsing .... also dont put your mobile in palm fully as it cannot get signal if you do so.

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Just got a new phone and i inserted my sim card and its asking for a network lock


It's Network Unlock? Because Network Locked so it Network Unlock!!! You can specify the Network Current working and country,because that is Locked Network,if you Unlock it means you can any GSM Network Sim card in the Phone,if you not unlock means you can't use other Network Sim in the Phone,You can get the Unlock code from here Theunlockarena.com and Unlock it from Network LOCK,Follow the instructions below and unlock it step by step.

Samsung B5722 Unlocking InstructionsWarning : Do not enter any wrong unlock codes on your Samsung B5722 mobile phones. If you enter over a certain amount of wrong unlock codes on your Samsung B5722 mobile phone, your phone may get hard locked and sometimes become unusable.
1 - Switch ON your Samsung B5722 with a NOT ACCEPTED SIM Card.
2 - Compose : #7465625*638*CODE# (or *#7465625*638*CODE#).

NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung B5722 is locked to.
CODE: Its the unique Unlock Code for your Samsung B5722.

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Master reset(unlock) #*7337#
try insert that code
i hope this helpful
thank you for using fixya

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I want to fromat my Samsung Mobile, so i need format code


*2767*3855# enter this code it will full reset phone and all code.....

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Sigmatel S22 mobile


I too have the same Mobile.Switch off and restart,that would solve this problem.

May 22, 2009 | Cell Phones

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