Question about Sony Ericsson K750i Cellular Phone

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Inactive sim i recently purchased a k750i from ebay, i put my sim card in to it and keep getting inactive sim on screen but i can put it back into my old phone and it works ok.

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4 ur phone 2 write inactive sim is meaning dat ur old phone has been costomised with ur sim card. so use anoda sim 4 ur new phone

Posted on Jul 15, 2008

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I have an AT&T GoPhone account, using a Samsung SGH-A137. I want to swap out the SIM card with a T-Mobile SIM card my company gave me, so they'll pay for the service. I got the subsidy unlock...


try this, it should work for the samsung sgh-a137. First insert the T-Moble 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

Jun 28, 2011 | Cell Phones

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.

Dec 02, 2008 | Samsung SGH-t629 Cellular Phone

1 Answer

Network problem


Siwtch off the mobile then siwtch on the mobile

Nov 21, 2008 | Sony Ericsson K750i Cellular Phone

1 Answer

From orange to O2


you could try this

By doing the reset (1st temp) you will lose all your
data ie contacts, messages, photos, videos etc etc so
back them up on your pc first.
Take out your sim card and follow the instructions below :
1st temp. put this number in the keypad
*2767*3855# let it reboot(restart)
now its ready for permanent.
Put in a sim card of a network that the phone won't
except and follow the instructions below.
( If you can't type anything with a locked sim
card inserted just take it out and do the next
step without a sim card in the phone)
Don't worry if your screen shows - - - - - - - when typing
it is supposed to do this.
Permanent.
ENTER :
*7465625*638*00000000*0000000
0#
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
auto sim lock - inactive
Enjoy !
This procedure does not change your imei number at all

Oct 30, 2008 | Samsung U900 Soul Cellular Phone

1 Answer

Phone does not accept any sim cards recently- says inactive sim


the phone needs to be diagnosed so take the phone to a mobile service center and have them correct it.

Oct 07, 2008 | Sony Ericsson Walkman W810i Cellular Phone

1 Answer

Inactive sim


I know this is a silly question but are you putting the sim in correctly?

Dec 09, 2007 | Sony Ericsson W850i Cellular Phone

7 Answers

Inactive sim


u shuv it up ur ***!! thats wat i done it now works :D

Oct 30, 2007 | Sony Ericsson Walkman W810i Cellular Phone

1 Answer

K750i


Consult Virgin to get the proper settings for their network. Your phone is still carrying the old settings from your old provider, thats why it giving you this error. I believe Virgin has these settings available on their homepage, otherwise give them a call and let the supporter help you through the setup process.

Sep 25, 2007 | Sony Ericsson K750i Cellular Phone

3 Answers

Inactive sim k750i ericson


i have a k750i and it inactive. does anybody know how to unblock it by yourself?

Sep 20, 2007 | Sony Ericsson K750i Cellular Phone

1 Answer

SE K750i displaying 'insert sim' even though sim is inside.


This problem is due to your phone's sim card IC malfunctioning. It may get damaged due to phone dropping gently into rough surface and its crystal structure may break due to it. for any queries mail to mahesh_vr@yahoo.com

Sep 01, 2007 | Sony Ericsson K750i Cellular Phone

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