Galaxy tab2 (p3100) WiFi issue when using with GSM network - Galaxy Tab 2 Q&A, Help & Troubleshooting

I have problem connection to my WiFi when I use my device with any GSM network SIM card.
Settings app will keep saying that it is connecting and the connection will never succeed. If I turn-off and turn-on the WiFi for couple of times WiFi may connect again.
The problem won't go away even after removing the SIM card. Doing a factory reset (without the SIM card) will clear this problem (WiFi will connect properly). But If I put the SIM card back, the same problem will come again.
Does any of you face this issue with you p3100 ? (mine is p3100 - India)

Same Problem
Facing the same problem, the wifi stops working after 5-6 mins, then I have to restart my device to get the wifi work again, but again it starts giving no connection error (with SIM or without)

puneet0009 said:
Facing the same problem, the wifi stops working after 5-6 mins, then I have to restart my device to get the wifi work again, but again it starts giving no connection error (with SIM or without)
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yeah, I've got the same problem while connecting with wi-fi, got around it by simply disconnecting the wi-fi, clearing the saved setting & then searching for the connection again. Have to do this every time.....grrrrr

I had exactly this problem with stock ROM IMM76D.P3100DDBLF3. I do not have it on CM9 RC2.
I am not sure that it has anything to do with GSM.

FOR EVERYONE WITH WIFI AND SIM CARD PROBLEMS. THE FIX IS SIMPLE.
Download FXR WiFi fix and rescue. Link: https://play.google.com/store/apps/details?id=com.brilliapps.wifiandmorefixer&hl=en
After rooting my 4.04 stock rom, i noticed this problem. It wouldnt connect while sim card was in. Used this app. Rebooted. Put in the sim card. Rebooted again and voila. It worked for me!!!!

tab 2 p3100
i have samsung p3100 after flash my tab imei 0490------------- i repair with z3x box now tab2 show no service pleace help me

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do one thing bro! backup all your data, contacts. do a factory reset of your device! all the things will work like butter! use titanium backup available on playstore!
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[Q] Samsung Galaxy S Duos GT-S7562, Wifi turns off after a while

Hey guys!
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The issue is quite clear from the Title itself.
The connection to the wifi cuts off randomly without any warning and I have to restart the whole modem.
I have been facing this issue for quite sometime and here are the apparent soluiions I tried:
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hi guys
i encountered a problem yesterday. i was working with my phone suddenly the wifi and mobile antena gone!
now i cant connect to wifi network because it does not show any wifi network although it is on. and it does not recougnize sim card so i dont have mobile antena
i did factory reset but the problem still exist.
what is the problem and how can i fix it?
many thanks

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