
So Today Iam Proudly Presenting This Patch To Fix It Up.After U Flash This Patch U Will See All These Things Is Fixed Which Are Written Above.

INSTALLATION INSTRUCTION
Download The Patch From Given Link Then Extract The Zip File And U Will Get A Folder Called TWRP,And Then Place This Folder In InternelSd/Extsdcard Wherever You Want And Then Turn Off Your Device.Then Go To Backup And Restore Option And Select TWRP Then Some Folders Ahead U Will See Two Selection 1 Is EFS
And 2 Is MODEM Make Sure U Are Selected Both Then Swipe And This Will Repair Your Null Imei And Unknown Baseband.After Youre Done Then Reboot Your Device And Then U Will See Your Sim Is Detected And Other Bugs Is Fixed Regarding This Issue.If U Are On new or older modem then all u need to follow installation instruction and then reboot your phone Now u will see that your baseband version is showing G7102DDUBNK1 if u wanto flash a new modem do search for new available modems for grand 2 Duos SM-G7102 And flash modem via odin and thats it.
CAUSE OF THIS PROBLEM
A Bad Custom Rom Flash Or Any Other Rom Flash That Is Not For Your DeviceA Bad Custom Rom Or Any Unsupported Rom Can Wipe Efs Folder,Efs Is The Most Important Part Of our Device's System.
NOTE:-
This Fix Is Only For Grand 2 Duos SM-G7102 Dont Flash It On Other Variant.[Like:-G7105,G710,G7106,G710K]It Will Brick Your Device Totally.And U Will Not Allowed To Create Any Thread With This Type Of Fix.
HIT THANKS
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