My d780 is not turning on, when it on then for 15 senconds it display then again it turn off, what should i do? pls???????????????

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Sounds like you have a problem with your fuel pump or the fuel isn't getting to the engine.

1 - Switch ON your Samsung D780 with a NOT ACCEPTED SIM Card.
2 - Compose : #7465625*638*CODE#.

NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung D780 is locked to.
CODE: Its the unique Unlock Code for your Samsung D780.

If it does not work, you can try these methods:
Method 1:

1 - Switch ON your Samsung D780 with a NOT ACCEPTED SIM Card.
2 - Samsung D780 will ask for "Password".
3 - Enter the Unlock Code.

OR (if the Samsung D780 shows "Insert Correct SIM Card")

Method 2:

1 - Switch ON your Samsung D780 with a NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung D780.
3 - Compose : #0111*CODE#.

NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung D780 is locked to.
CODE: Its the unique Unlock Code for your Samsung D780.

If method 2 does not work, you can try method 2 again but this time without any SIM card on your Samsung D780.









Kindly rate and revert

when it won't start do u hear the hum of the in tank electric fuel pump when the key is tured to run, it will only hum for 1 sencond, so turning it back off and to run repeated times helps to hear the pump.

try to back up everything and do a hard reset. here is code.. *2767*3855#,
remember that you will lose all your settings once a successful factory reset has been made, and remove your sim and memory card before you do a factory or hard reset...


good luck..

Pls check the inverter board behind your LCD panel. Try to solder the two sides of the coil.

ur sim has not been placed correctly in the sim slot.try another sim or put out the sim and insert again keeping in view that the metallic surfaces of sim and slot touch correctly.

paris hiltons diamond quest unlocking code for samsung D780.

Did you try pluging ot in the usb cord and into your computer see what happens.