Question about Sony Ericsson K750i Cellular Phone

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Error message Hi, I'm getting an inactive SIM message displayed that won't allow me to make any calls. How do I clear this please?

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  • juicyjames May 23, 2008

    My K750i says inactive sim, it is not the service provider. They say the sim is active. So it must be the phone. Only thing I could come accross is in the caal settings, there is a menu:restrict calls,deactivate all & change password. What is the default password for that? that should solve it?or am i wrong

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  • 282 Answers

May be your sim is blocked by your service operator. You need to contact them

Posted on May 18, 2008

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1 Answer

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Inactive sim c510


If your Sony Ericsson C510 phone displays an error message saying "Inactive Sim" then it is probably network locked.

You can unlock it easily by using an unlock code.You can get this code at reasonable cost from ClassicUnlocking.com with easy step by step unlocking instructions and unlock it.This is the fast and permanent unlocking method.

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My new sony ericsson c 510 phone is brand new.i am used it 2 month.last week some times display inactive sim and not work phone.some time work calling the phone cut the line beep tone.display inactive sim...


Inactive sim is usually related to your SIM Card, you should try reinserting your SIM card again, to see if it works, or simply insert your current SIM card into another phone to check if there is any service. should both failed. It should be your SIM card problem, you can contact your service provider or carrier to have a replacement SIM.

Mar 12, 2011 | Sony Ericsson Cell Phones

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Hi i bought a sony ericsson w910i of the internet its on orange but said inactive sim so i took it to be unlucked but still it says inactive sim what can i do to solve the problem


Your phone may have been blacklisted if you're using it on the same provider for which it was made. Call your provider and give them the IMEI number which is on the back behind the battery to ensure that it's clear. If it is clear, then your SIM card may be bad. Try a friend's SIM card to test.

Jul 13, 2009 | Sony Ericsson W910i Cellular Phone

1 Answer

My SGH-T629 came from the U.S. how can i make it capitable with the sim card in the phillipines


A. Turn on phone with full battery and non-T-Mobile SIM in place.
Allow phone to completely boot up to Wrong SIM screen. B. Enter from Wrong SIM Screen *#7465625# to confirm lock status C. Scroll through Interrogate Screen 1. Network lock - Active (this is the one you'll be deactivating)
2. Subset lock - inactive
3. SP lock - inactive
4. CP lock - inactive
5. SIM Card lock - inactive
6. Activa lock - inactive
7. Auto network lock - inactive
8. Auto subset lock - inactive
9. Auto SP lock - inactive
10. Auto CP lock - inactive
11. Auto SIM Card lock - inactive
12. Phone lock - inactive D. Push "C" button under navigation button to clear Interrogate screen back to Wrong SIM
screen E. From the Wrong SIM screen enter the following: *7465625*638*00000000*00000000# Those are two series of eight zeros. The phone will not show the zeros but will show dashes in their place. Phone may make a small tone and at the bottom of the screen it will read "Network Personalized" or perhaps "Network Already Personalized" F. Now input the following from whatever screen shows up: #7465625*638*00000000# (again this is a series of eight zeros) Phone may make small tone and will read "Network Lock Deactivated" G. Turn off phone
H. Re-start the handset and allow it to reboot.
J. Enter from Standby Screen *#7465625# to confirm lock removal status K. Scroll through Interrogate Screen 1. Network lock - inactive (note that this lock is now inactive)
2. Subset lock - inactive
3. SP lock - inactive
4. CP lock - inactive
5. SIM Card lock - inactive
6. Activa lock - inactive
7. Auto network lock - inactive
8. Auto subset lock - inactive
9. Auto SP lock - inactive
10. Auto CP lock - inactive
11. Auto SIM Card lock - inactive
12. Phone lock - inactive
That's it. Your phone is ready to accept SIM cards from just about any GSM mobile telephone service provider in the world. If you received a "wrong password" message you will need to insert a working SIM and reset the password to the default 8 zeroes "00000000". After that you may try this process again and it should work.

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2 Answers

Inactive sim


This is a known design flaw with the w760i - it occurs when the phone requests info from the SIM (building contact list etc.) and the SIM connection is lost. This would happen on any phone but the w760i has a shock protection design issue whereby closing the slide quickly causes the SIM to disconnect. You should be able to replicate the issue by turning the phone on and slamming the slider shut as soon as the phone shows your network name. Leave the phone on for a bit and you will feel the phone buzz and 'Inactive SIM' will display, the phone will then reboot.

Sep 09, 2008 | Sony Ericsson W760i Cellular Phone

7 Answers

Samsung SGH-E370 Sim Lock


Try All this you can do...

*7465625*746*Code# = Enables SIM lock
#7465625*746*Code# = Disables SIM lock
*2767*2878# (Temporary Unlock)
*7465625*638*00000000*00000000# (Set Code)
#7465625*638*00000000# (Clear Network Lock)
*#7465625# (Verify the network lock is “inactive”)

*2767*3855#
*2767*3855# - FULL E2P RESET
*2767*2878# - CUSTOM E2P RESET
#*7337# - UNLOCK
*2767*688# - UNLOCK
*#0523# - CONTRAST
*#9998*523# - CONTRAST
*#8999*8378# - Service Menu (X100)

First with different carrier SIM in phone at WRONG CARD screen ENTER on the keypad
*2767*3855# (wait 10-15 seconds) phone will reboot(restart)
When phone completes reboot ENTER
*7465625*638*00000000*00000000#
NEXT ENTER
#7465625*638*00000000#
AND THEN *#7465625# to check the locks....all locks are inactive...these are all the locks...
network lock - inactive
subset lock - inactive
sp lock - inactive
cp lock - inactive
sim lock - inactive
activa lock - inactive
phone lock - inactive
auto network - inactive
auto subset lock - inactive
auto sp lock - inactive
auto cp lock - inactive

Dec 05, 2007 | Samsung SGH-E370 Cellular Phone

2 Answers

Inactive sim


you gotta wait for your provider to activate it if nothing it 2 days call them with your dilemma

Nov 02, 2007 | Sony Ericsson V630i Cellular Phone

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