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Old January 25th, 2013, 03:28 AM   #1 (permalink)
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Unhappy Samsung S2 GT-I9100P says insert sim (even thought i have)

Hi I have a Samsung S2 on 02 and have had it for 4 months. recently I have a symbol at the top that looks like a no entry symbol and if I try to make calls etc it says please insert sim, the sim is inserted already but still getting this error. It has happened a few times and all of a sudden it will start working again, but I have had the symbol on for 3 days now and wondering what it could be and why is it happening.
when I go to settings>about phone>status: it says the following

Network > unknown
Signal strength > 0dBm 99 asu
mobile network type > unknown
service state > out of service
mobile network state > not connected
my number > unknown
IMEI > unknown
IMEI SV > unknown

I dont know what to do can anybody please help im lost without my phone

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Old January 26th, 2013, 06:45 PM   #2 (permalink)
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Take out the sim card give it a gental wipe with a soft lint free cloth then put the sim back in your phone and reboot! This may cure your problem
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Old February 11th, 2013, 09:51 AM   #3 (permalink)
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Default Network signal problems

Have you tried selecting automatic network operator? Settings-more-mobile networks, then select automatic. Had the same problem would lose the signal for hours when I selected a specific operator.
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Old February 25th, 2013, 06:35 PM   #4 (permalink)
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I have the same issue (Three - UK) and it`s started a few weeks ago. The sim working fine in my other mobile (LG Optimus L3) so it`s not faulty sim card. And actually the loss happens only when I`m tethering...really annoying. Unfortunately I don`t know any good solution (btw currently 4.0.4. the Android version)
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