There are firmware which contains multi CSCs in it. So If you wanna change to any other countries' firmware then use this method to check if your current firmware contains the one which you need.
For instance, EUR firmware contains the CSCs BTU, CPW, DBT, etc.
INS firmware contains the CSCs BNG, NPL, SLI, etc.
Follow the below steps to change between the CSCs:
NOTE: Back up your data. It resets your phone.
1. Launch your phone dialer and type *#272*Phone’s IMEI Here#
2. Your phone will automatically pop up a screen with some codes.
3. They are the CSC codes
4. Select the one which you need
5. Now your phone will factory reset and restarts
6. Done. Your phone's CSC has been changed successfully.
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| Multi CSCs in INS firmware |
