Question about Dual Cell Phones

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Mobile works fine without sim card, mobile reboots with sim card

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Nokia 6681 not on every suply ok

Posted on Jun 19, 2009

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Posted on Jan 02, 2017

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SOURCE: I purchased the LG Cookie in the UK and was

Sorry, i've just figured it out, that the problem might be because you're using 3G card, if it uses 3G not only for internet but also for calls and messages. I think that's why your phone does not accept your card.

Posted on Mar 19, 2009

solitario82
  • 343 Answers

SOURCE: CECT Unlocked i68+ Quadband GSM FM Mobile Phone+Free gift Smartphone: i insert my sim card and its fine and works for a ...

try with a diferent card

Posted on May 07, 2010

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My 10 year old son put a password on his phone and has forgotten it. Im looking for a way to get back into the phone even if i've to reset the settings..


power on phone without sim card. enter code *2767*2878# phone wait restart in some seconds. now put other sim card and power on. it should accept the card now. if not accepting use this code without sim card *2767*3855# and wait for phone to reboot.

Apr 30, 2010 | Cell Phones

1 Answer

SGH E251 phone keeps rebooting every 10 seconds


have you dropped your phone on the floor?
if yes then you have dameged the sim terminals.

try to turn on without a sim or memory card.
if it turns on then try with another sim,
then try the memory card, if still problem persist you need to take it to a service centre.
i wont recommend samsung showroom. it will take more time.

Jul 06, 2009 | Samsung SGH-E251 Mobile Phone - Black

1 Answer

Won't accept ATT SIM card


Here is two possibility either you used sim in wrong slot like you have nano sim and you used into micro sim slot or other different slot. or your mobile is sim locked and that is why it not accepting at&t sim. here is how to unlock at&t simcard.
As your att sim working fine with blackberry so sim is fine no issue with sim card. on which mobile you have tried this sim as you have not mentioned your other mobile it is same as blackberry or apple or samsung mobile.

Sep 14, 2017 | AT&T Cell Phones

1 Answer

I purchased the LG Cookie in the UK and was working fine. I came to the USA and inserted an AT&T 3G sim card and it keeps on rebooting. The other sim cards are working fine (TIM, T-Mobile, Vodaphone). Any...


Sorry, i've just figured it out, that the problem might be because you're using 3G card, if it uses 3G not only for internet but also for calls and messages. I think that's why your phone does not accept your card.

Mar 07, 2009 | LG KP500 Cookie black on T-Mobile U-Fix...

1 Answer

I NEED PHONE LOCK FOR T MOBILE G600 SO I CAN PUT VODAPHONE SIM IN


1-Turn on the phone without sim card .
2-Pull off the battery cover and insert any non-accepted sim card (without turning off the handset)
3-Do full reset *2767*3855# , phone will reboot and goes to Menu .
4-Customize Sp-lock code *7465625*638*00000000*00000000#
5-Unlock your phone with new SP code #7465625*638*00000000#
6-Enjoy G600 unlocked

Tested with few pieces
biggrin.gif

Feb 08, 2009 | Samsung SGH-D600 Cellular Phone

2 Answers

Need samsung g600 unlocking code


I have just tried it with my new locked to orange g600 and it works fine on all networks.

1-Turn on the phone without sim card .
2-Pull off the battery cover and insert any non-accepted sim card (without turning off the handset)
3-Do full reset *2767*3855# , phone will reboot and goes to Menu .
4-Customize Sp-lock code *7465625*638*00000000*00000000#
5-Unlock your phone with new SP code #7465625*638*00000000#
6-Enjoy G600 unlocked

if it doesn't work after step 3.. try changing the 'non-accepted' sim card that ur putting in..
eg if you are locked to vodafone and you try this method and use an orange sim card and it doesn't work, try using a o2 sim or even virgin :)
its easy good luck

Jan 29, 2009 | Samsung SGH-G600 Cellular Phone

2 Answers

Looking for the unlock code


1-Turn on the phone without sim card .
2-Pull off the battery cover and insert any non-accepted sim card (without turning off the handset)
3-Do full reset *2767*3855# , phone will reboot and goes to Menu .
4-Customize Sp-lock code *7465625*638*00000000*00000000#
5-Unlock your phone with new SP code #7465625*638*00000000#
itry wid this 4 time's but u'll get same thing wrong-card
after that try use this code with original simcard{t-mobile} n everything worked fine, your phone is unlocked.

Dec 30, 2008 | Samsung SGH-T339 Cellular Phone

3 Answers

Used Sidekick


Call your carrier and ask them to detach your device IMEI from the username locked in. Once that is done, hard reset without your SIM card inserted

Jan 02, 2008 | T-Mobile Sidekick ID Cellular Phone

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