Question about Samsung Cell Phones
You either have to buy the code on internet or request (not free) from TMobile or use specific software to unlock it.
Posted on Mar 30, 2015
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Posted on Jan 02, 2017
My friend gave me he's old samsung 900i.
But it is and o2 phone and i have a orange sim, And it ask for NETWORK LOCK.
Can anyone help????
Posted on Nov 16, 2008
SOURCE: network unlock code
Is solution for a d900i
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#)
Posted on Sep 05, 2009
SOURCE: my samsung galaxy s keeps
There are two probable causes.
1. You have inserted sim incorrectly. Remove SIM and insert properly with golden contacts facing the contacts in phone.
2. Your SIM card might be damaged. Try with another SIM card and if it works, then you have to replace your sim card.
If nothing works, you have to take your phone to some service centre
Posted on May 31, 2011
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