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Hello and Welcome to FixYa!
Inactive SIM message may arise due to more than one issues. First things first check the hardware of your phone, to do this Put out the SIM card and check what happens. If it shows insert SIM card, its normal. If it shows the same inactive message then hardware malfunctioning.
Ok if the hardware is ok, then its simple. Inactive SIM means that your SIM card is not being able to register your Network carrier. The Phone with a red-line means SIM card registration failed. Although the signal radar works. This may be due to 2 issue; either there is a issue at the Service provider End, to check this call the service providers from other cell or land-line and check the status of your connection against this SIM Card No. If they say everything is ok. Then Its confirmed that your Phone is Network locked (Can only be used for one specific network) In this case coordinate with the seller.
I hope you will have a clearer picture now.
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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.
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 eightzeros)
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.
Please try these codes. This might work fine for any sim...
*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 auto sim lock - inactive