Question about Samsung SGH-D900 Cellular Phone

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Network lock Dear Sir, I purchased samsung-E250 handset and i use airtel sim but after four month when i insert another company's sim like vodafone & idea my phone asking network lock please help me what to do? Rajesh Joshi India

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  • 34 Answers

You need to get it unlocked.

You can try one of the cell repair shops at the mall
or ebay

Posted on Feb 22, 2008

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1 Answer

After inserting a vodafone sim card, it's asking for pin.only emergency calls can be made without a pin


You need to find out what network the handset is on. You may need a network unlock code and this you will be able to get from the handset network in order for the handset to accept the vodafone sim.

Hope this helps

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Network key samsung e250


unlock it by following...

BACK UP YOUR FILES BEFORE UNLOCKING
This will also bring the phone to default settings
1. First do a CUSTOM reset: *2767*2878# (star 2767 star 2878 hash)
turn off the phone
2. take out the battery and sim and put wrong network SIM and insert a half of it,
so it won't ask for network password and shows "Insert SIM" message.
Now put the battery ,and switch the phone on .(phone shows "Insert SIM" message.)
3.With out turn off the phone push the sim fully in. At this stage the phone is still asking to "Insert SIM"
4. Make a FULL reset by typing: *2767*3855#(star 2767 star 3855 hash)
5. The phone should reboot working with "wrong" sim inside.
6. Make a Change the NCK password to 8 zeros by typing: *7465625*638*00000000*00000000#
(star 7465625 star 638 star 8zeros star 8zeros hash)
7. Now Disable network lock By typing: #7465625*638*00000000#
(hash 7465625 star 638 star 8zeros hash)
Phone is unlocked (check with *#7465625#)

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SIR,

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MY FRND,
Don’t forget that which ever mobile you have purchase from the Outside of the India having the Network LOCK ….

So you have to remove the network lock by the mobile repairer…

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