SGH-D820 screen displaying "Cingular Extend", when normally it would display "Cingular".
I am on the AT&T(Cingular origionally) Network. One day I awoke to find my Samsung
SGH-D820 screen displaying "Cingular Extend", when normally it would
display "Cingular". This could normally be corrected by going to the
"Network Selection" feature, and after a short search, it would give me
a choice of "Cingular Extend" or "Cingular" for my Network. However
when I try to use the Network Selection feature, the choices that I am
given are "Cingular Extend" or "T-Mobile"
. "Cingular Extend" induces roaming charges and "T-Mobile" ,when
seleced, reads "Not Allowed". How can I get the phone to give me an
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Menu structure is: Menu/Settings/Profiles/Normal Profile/Options/Incoming Call/Voice Call Ringtone see details below Sound Settings You can customize various sound settings. 1. When the Idle screen displays, press the Menu soft key. 2. Select Settings and press the Select soft key or the Cingular icon key. 3. Select Profiles and press the Select soft key or the Cingular icon key. Use the Down Navigation key to scroll through the following list of available options: Normal Profile To access the available options for this calling profile, press the Options soft key. Highlight Edit and press the Select soft key or the Cingular icon key. Use the Left and Right Navigation keys to move between the various tabs. This menu allows you to alter the audio settings for the following categories: • Incoming Call: allows you to edit the properties for audio alert used for incoming phone calls. -_ Voice Call Ringtone: allows you to select a ringtone from your My Stuff (Phone) folder which contains not only the default phone ringtones, but also any new ringtones which have been downloaded from the Internet.
1) Insert non Tmobile SIM (Such as a Cingular SIM) 2) Phone on. It will display wrong SIM 3) Enter *7465625*638*00000000*00000000# (The zeros will be dashes) (Press End and the screen will clear) 4) Enter #7465625*638*00000000# 5) Reboot phone. Now you can use the Cingular SIM card.
Are you sure formatting your phone will solve the problem? I think the problem is from the flex that connects the screen to the phone's main board. Usually slide phones give this kind of problem especially samsung phones.
Insert ANY unaccepted SIM card in the phone and then turn the phone on, follow the steps in 1 to 4 below to enter all the codes. The phone will states "Wrong card" at the end of step 2 and "network lock deactivated" at the end of step 4 if you do everything right so pls take your time to enter the code or follow the instruction correctly at each step. When entering some of the zeros at steps 3 and 4 your phone may display the zero as hyphen or minus (-), dont worry, just count when entering the zero to ensure you enter just the right numbers of zeros. Now let's begin...1/ Put any unaccepted SIM card in your SAMSUNG SGH Phone, turn the phone on, it will display "WRONG CARD"
2/ At the wrong card screen, type *7465625*638*00000000*00000000#
3/ Now remove the battery with the SIM card, Put the battery back and turn the phone on again without the SIM card, it will display "Insert SIM card"
4/ At the insert SIM card screen/end of step 3 above type #7465625*638*00000000#
At the end of step 4 phone will show "network lock deactivated"
5/ Now Reinsert your unaccepted card or any other unaccepted SIM card in the phone and enjoy your unlocked phone!