My samsung galaxy s keeps saying the network is unavailable and insert sim card to access network services

If you have just forgotten it, you just do an Android Hard Reset.

How to Unlock Samsung Galaxy Note 8 by Code

https://www.codes2unlock.com > unlock > Galaxy-Note...

Instructions to Unlock Samsung Galaxy Note 8 ... 1. Insert the non-accepted sim card and power on. 2. Your phone prompts to enter "Sim Network Unlock Pin". 3.

Samsung Galaxy Note 8 Unlocking Instructions - How to ...

https://www.simplyunlocked.co.uk > unlocking-guides

Samsung Galaxy Note 8 Unlocking Instructions · Turn on the galaxy note 8 handset with a non accepted SIM card (Any other SIM card than the network the phone is ...

Unlock Samsung Galaxy Note 8 Phone ' Unlock Code ...

https://www.unlockbase.com > unlock-phone > galaxy-...

How to Unlock Samsung Galaxy Note 8? · 1 - Switch ON your phone with an unaccepted SIM Card, · 2 - The Phone will then ask for the Code or Password · 3 - You can ...

How to unlock Samsung Galaxy Note8 ' sim-unlock.net

https://sim-unlock.net > simlock > Galaxy_Note8

In order to receive a network unlock code for your Samsung Galaxy Note8 you need to provide IMEI number (15 digits unique number). It can be found by ...

Hello,

You will need to contact your Service Provider on this type of issue. Possible there is something wrong on the Network Settings of your phone or on the sim card.


Thank you,

Your Samsung Galaxy S3 must be restricted to some specific network. That is why it allows only emergency calls when a SIM card from some other network is inserted in. You need to unlock your Samsung Galaxy S3 to make it work with all SIM cards. You can unlock your Samsung Galaxy S3 safer and easier using unlock code. You can get the accurate unlock code for a Samsung Galaxy S3 from Unlock-Zone.com at affordable cost. Good luck.

-<()>--<()>--<()>--<()>--<()>--<()>--<()>-
..............UNLOCKING INSTRUCTIONS..............
-<()>--<()>--<()>--<()>--<()>--<()>--<()>-

Method 1:
1 - Switch ON your Samsung Galaxy S3 with a NOT ACCEPTED SIM Card.
2 - Samsung Galaxy S3 will ask for "Password".
3 - Enter the Unlock Code.

OR (if the Samsung Galaxy S3 shows "Insert Correct SIM Card")

Method 2:
1 - Switch ON your Samsung Galaxy S3 with a NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung Galaxy S3.
3 - Compose : #0111*CODE#.

SOURCE: MobileUnlockGuide.com

Can't figure out exactly what the problem is. Try with the following methods.
1) The SIM card might be damaged. To check this, Try inserting the SIM card into any other active network free phone. If it doesn't work then sure the SIM card is damaged. If it works fine then the SIM card is in good condition.
2) The SIM port on your phone might be damaged. Try inserting any other active SIM card to it. If it doesn't work, then sure the SIM port is damaged. If it work fine, Then the SIM port is in good condition.
3) The phone might be network locked. If the phone doesn't allow any network SIM cards to work with it except any one specific SIM card, Then it is sure network locked. You can unlock a Samsung Galaxy S2 safer and easier using unlock code. You can get the unlock code for a Samsung Galaxy S2 from ProUnlocking.Com at affordable cost with easy unlocking guide. Good luck.

What's your Network?
You can try to follow the below instructions:
1.Reinsert the SIM your mobile
2.Another SIM insert your mobile
3.your Sim insert another one mobile
After checked in the above steps to again mobile shows "not connected to network", your mobile locked any one of the network.There are many Unlock code providers in online like OnlineGSMnlock.com at low cost with free instructions.. Here select your mobile model then submit your Country and Network provider.They will help to provide unlock code and you can easily unlock your Samsung Galaxy..

that might be your sim card is expire already try to change with the new one and c the result

Only your cell phone service provider can unlock the sim.

That's normal if you change your original phone sim card with other sim card, you just need samsung galaxy 3 network unlock code and you can get this from your network provider or buy from third party sites. After you have samsung unlock code, insert it in your phone then your phone will be unlocked and you can change your sim card with any sim card as you like.

entering 00000000 is for phone lock code

network lock means need to openline or unlock network provider...

go to the nearest mobile center...

you can get the unlock code for samsung SGH-F480 at here http://www.onlinegsmunlock.com/