[HELP] Network Issue on Samsung Galaxy Tab 2 P3100, SIM not working - Galaxy Tab 2 Q&A, Help & Troubleshooting

Hey Guys,
I had brought this TAB from a friend with a confusing SIM or Network issue. Actually this Tab wont detect any CARRIER other than TATA DOCOMO. I am sure that it has no network lock. Not only this, even on TATA DOCOMO it's sometimes loosing network, when I got a call or while using Internet.
I have searched on XDA and found no thread regarding this issue. But some where I read that flashing latest firmware via Odin may overcome the particular SIM issue. I am just afraid, if I flash the whole firmware, It may be possible that even TATA DOCOMO wont work, then this tab is use less for me as I have no wifi around me.
It cant be a hardware issue, if it is then no CARRIER should work. I really dont want to visit Samsung care ATM, as I am short on money & this TAB is out of warranty.
Any kind of help is appreciated.
THANKS IN ADVANCE.
Here are the detail of my Tab 2.
Model No.- GT-P3100 (16GB)
Android Version- 4.1.2 (No 4.2.2 Update after that)
Baseband Version- P3100DDCLK1
Build No.- JZO54K.P3100DDCNA3
Country- India
Root Status- Never Rooted
On dialing *#1234#
AP: P3100DDCNA3
CP: P3100DDCLK1
CSC: P3100DDCNB1

Is there anybody to help me in solving my problem? ?

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Bump
Bump, anyone able to help?
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Did you manage to sort your phone?
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interglobalsapk said:
Guys i just bought Galaxy S4 VE Black Edition Model I9515 (LTE version). Its bought from Dubai. Now am using this in Pakistan. All the things working fine except i am facing problem to enable LTE option. In network mode i didnt find any selection for LTE. Even i am using 4G Enable Sim and in 4g coverage area. Its updated to current version of 4.4.2. Phone is not Rooted. Can anybody tell me how i can resolve this problem. I didnt find yet Rooting method for this model and also let me know if i can install ROM for different region on this phone to enable the LTE. Please help
Click to expand...
Click to collapse
i also had the same problem the same model mobile sent to my brother as a gift from saudi arab and today eventually he get this problem solved for the sum of 300pkr rupees and now he can use 4g on his Galaxy S4 VE Black Edition Model I9515 (LTE version)
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bloodkiddie said:
Hi All,
Can someone help me to solve my phone network on unlocked samsung s7 ??
There exist a problem when someone try to call to my number it wont connect for the 1st time and need to disconnect automatically for the 1st time, after 1st call disconnected automatically same
caller can call to my number again.
Want someone to help me with this problem.
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Click to expand...
Click to collapse
No one is here to help me?
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bloodkiddie said:
No one is here to help me?
Click to expand...
Click to collapse
Sent from my SM-G930F using Tapatalk
factory reset
or, change your sim card and try to call your own number
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