My samsung galaxy 3 GT-15801 is giving me problem while talking. Quite often the call goes blank after sometime. That irritates me as i m not able to communicate.... Also once it goes blank.... Any body trying to reach me gets an out of coverage area message... Seems the simcard gets blocked..... Is this a phone problem or a sim problem

Hi. You can unlock your T-mobile network locked Samsung Galaxy S4 safer and easier using unlock code. You can get the accurate unlock code for your Samsung Galaxy S4 from Unlock-Zone.Com at affordable cost.
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UNLOCKING INSTRUCTIONS
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Method 1:
1 - Switch ON your Samsung Galaxy S4 with a NOT ACCEPTED SIM Card.
2 - Samsung Galaxy S4 will ask for "Password".
3 - Enter the Unlock Code.

OR (if the Samsung Galaxy S4 shows "Insert Correct SIM Card")

Method 2:
1 - Switch ON your Samsung Galaxy S4 with a NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung Galaxy S4.
3 - Compose : #0111*CODE#.

bad news you will have to call Samsung Tech and try to understand them and do a full reset then download the OS from Kies....

Yes it is! also wifi.
Here you can read the specs
http://www.gsmarena.com/samsung_i5801_galaxy_apollo-3432.php
:)

To Unlock it from Network Lock ,get the Network Unlock code and instructions from
Onlinegsmunlock

Then check Unlock code for your Network lock and Country Lock,then Unlock it....You can follow the instructions Below and Unlock it step by step:


Samsung i5500 Unlocking Instructions Warning : Do not enter any wrong unlock codes on your Samsung i5500 mobile phones. If you enter over a certain amount of wrong unlock codes on your Samsung i5500 mobile phone, your phone may get hard locked and sometimes become unusable.
Method 1:

1 - Switch ON your Samsung i5500 with a NOT ACCEPTED SIM Card.
2 - Samsung i5500 will ask for "Password".
3 - Enter the Unlock Code.

OR (if the Samsung i5500 shows "Insert Correct SIM Card")

Method 2:

1 - Switch ON your Samsung i5500 with a NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung i5500.
3 - Compose : #0111*CODE#.

NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung i5500 is locked to.
CODE: Its the unique Unlock Code for your Samsung i5500.

If method 2 does not work, you can try method 2 again but this time without any SIM card on your Samsung i5500.

You need a samsung pc suite thats it or u can download from samsung.com or through google.

There is no secondary camera in the phone so you can't make video call

dont worry guys i am also having the same problem its phone mistake .the mistake is edgr connection goto settings-wireless settings-mobile network-access point names and change the apn type to mms the problem will solve further question mail me at [email protected]

no it does not...

Go to Settings>Mobile Networks >Access Point Names>
Go to Vodafone_gprs and fill in the following:
Name: Vodafone_gprs APN : http://live.vodafone.in Proxy: 10.10.1.100 Port : 9401 User Name: leave blank Password : leave blank Server: 010.010.001.100 MMSC : leave blank MMS proxy: Leave blank MMS Port : Leave blank MCC : 404 MNC : 11 Authentication type : PAP APN type : Internet
And you're good to go. Happy Surfing! I'll try to fix the MMS settings soon as well. Cheers. Abhishek

First u need to install .NET Framework 3.5 which is provided in the CD.