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I have the t mobile samsung D840 and I lost the instractions how to open it to change the sim card kindly can you help tony

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Turn off your T-Mobile Samsung phone and place it on a flat surface with the back cover (battery compartment) facing up.

Press down on the phone cover and slide it off toward you. You should see the battery in the battery compartment.

Lift the battery from the compartment and pull it out. You should now see the T-Mobile SIM card in the card slot.

Hold the SIM card and simply pull it out. Reinsert the battery by aligning its gold contacts to the gold contacts in the battery compartment.

Place the cover back on the phone and slide it till it snaps back into place.

Posted on Mar 13, 2011

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Posted on Jan 02, 2017

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Sim card for Samsung Galaxy tablet 4?


A SIM card is for 4G LTE internet service, so if you have a Samsung Tab 4 ensure it is 4G capable before trying to insert a SIM card. If you try to insert a SIM card into a SD Card slot you may damage the card reader.

That being said, I believe it is located on the right side of the tablet. Sometimes the SD Card slot and the Sim card slot are right next to each other. Once you open the cover that reveals the slots there should be small icons for the SD Card and the Sim card. Normally, the SIM card slot will have a little notch on the icon. Attached are guides with pictures.

http://www.samsung.com/us/support/answer/ANS00030415
SIM card Samsung Galaxy Tab 4

Oct 22, 2016 | Samsung Tablets & eReaders

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My SAMSUNG tablet SIM Base is faulty, hence I am not having any internet connectivity via my SIM service provider which is Airtel. What can I do?


Hello,

Had a problem very similar to this. I took it to my local servicing agent and they found the SIM Base to be defective. They replaced the section but charged 75 USD (it was out of warranty) then they reinitialized the SIM and all was well.

Best wishes,
Joe

Aug 25, 2016 | Samsung Galaxy Tab 101 Tablet...

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Samsung Tab S 8.4" ask for password or pin #, where is it located?


It can only come from your carrier. They have locked the SIM.

Tip & How-To about Cell Phones
Your phone is asking for a PUK code?

Is your phone asking for a PUK code. PUK = Personal Unlocking Key. Personal Unblocking Key, or PIN Unblocking Key.

This can only come from your cellphone carrier and usually the company that still owns the phone under the agreement. Sometimes it is because you have put another SIM card in it, and they own the phone and need you to use them as carrier to get the price of the phone back, or you are in default of payment, or on a Pay as You Go plan, it is over expired. I can also happen if you have entered the unlock code wrongly three times. This often happens when a phone is stolen or lost and has been found by or sold to someone else who then try and use the phone. Wikipedia A personal unblocking code (PUC), also known as a PIN unlock key (PUK), is used in 3GPP mobile phones to reset a personal identification number (PIN) that has been lost or forgotten.
Most mobile telephones offer the feature of PIN protection. After switching on the phone, if the PIN security function is active, the user is requested to enter a 4-8 digit PIN enabling the phone's non-emergency calling functions. If the wrong PIN is typed in more than three times, either the SIM card, the device, or both become locked. They can be returned to their original unlocked state by entering a PUC, provided by the service operator after verification. If the wrong PUC is entered ten times in a row, the device will become permanently blocked and unrecoverable, requiring a new SIM card. Cellular phone users are therefore advised by most providers to keep their PUC written down in a safe place separate from the device.
The PUC (PUK) is a SIM-specific code assigned and provided by the service provider.
Once you enter the PUK code, you must set a PIN. The PUK and PUK2 are used to unlock the PIN and PIN2 codes respectively if your SIM card is blocked
From Bell
The PIN unblocking key (PUK; sometimes called personal unlocking key) is a master security code for unblocking and resetting the personal identification number (PIN) for your SIM card. For added security, the PUK is unique to your SIM card. If your PIN code is active and you enter it incorrectly three times, your SIM card will be blocked. You won't be able to use your phone, except for emergency calls. You must enter your PUK into your phone to unblock the SIM card. If your SIM card becomes blocked, Contact us to get your PUK.
You may be able to do it from the website or your cellular provider. This is from Orange - T-Mobile in the UK.
Your phone can become blocked in a number of ways - one of them is if you enter your SIM card PIN number incorrectly three times in a row. To unblock your SIM card, you will need to use something called a PUK (Personal Unblocking Key).
Remember that unblocking is different to unlocking. Read more information on unlocking your device.

How to get a PUK code

The quickest way to get a PUK code is online using My Account. We'll show you this information whenever you need it.
  1. Register or log in to My Account.
  2. Select Help & Support from the main menu options on your account homepage.
  3. Select Get your PUK code.
  4. Then select Get PUK1 code.
  5. Once you have your PUK code, enter this into your phone to unblock your SIM.
Please enter your PUK code carefully - if you enter the wrong PUK code 10 times, you will permanently block your SIM card and we'll need to send you a new one. 1826865-en.jpg?2.0

Personal identification number

en.wikipedia.org


1826871-en.png?2.0

Subscriber identity module

en.wikipedia.org


1826873-myaccount.gif?2.0

UNLOCK DEVICE

myaccount.ee.co.uk


Posted by Andrew... on Jan 17, 2016

Mar 18, 2016 | Samsung Tab Tablets & eReaders

1 Answer

Tablet froze up and can't open up do I need a SIM card?


try holding in power button for up to a minute to force tablet to power down and then try powering it up again. Do you need a sim card depends if Tablet accesses mobile data from the mobile phone network. Some tablets only have Wi-Fi and would need a Wi FI network or WI FI mobile phone router device setup to work together in tandem.

Aug 29, 2014 | Tablets & eReaders

1 Answer

Not openline for philippine sim cards


Hi if you want to openline your phone from network lock to freely use it with any GSM sim .Then visit sites like Mobile-Unlocker.com they are providing unlock code for all mobile models at reliable cost .You first check that whether the code is available for your mobile model ,country and network provider .If yes then pay for it and unlock your phone ....

Mar 19, 2014 | Tablets & eReaders

1 Answer

Puk code


PUK Code
PUK stands for Personal Unblocking Key. This is a unique eight-digit code specific to your SIM card. This is required when the PIN number to unlock your mobile phone is entered incorrectly 3 times. You are then given 10 attempts to enter your PUK code. If an incorrect PUK code is entered after the 10th attempt, you will block your SIM card permanently and will require a new SIM card from your mobile phone provider.
PUK codes can be obtained through the following ways - The PUK code is in your SIM card documentation Starter Pack. If you do not have this then - Please contact your phone service provider.
Your cell phone service provider can give you the PUK code once you give them your account details and they have confirmed your identity. For details to obtain the PUK code for the SIM card, please click on this link and follow my instructions.
http://www.fixya.com/support/r5705889-puk_code

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1 Answer

I bought the Samsung Galaxy Tab from a Telstra network provider without a sim card. I am with Vodafone for my iPhone and have 3G on the sim. I want to put the sim card into the Tab for internet...


the galaxy tab will be locked to the provider you got it from, which is why your sim isnt being recognised. You will need to unlock the tab to allow it to accept any sim. To get it unlocked you need to request an unlock code from Telstra

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1 Answer

Can i insert sim in samsung galaxy tab. 10.1 ?


There should be a little door on the bottom right of the device that you can insert the sim card.
Open the door, insert the sim with the gold contacts down and close the door.
Here's a video as well!

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My browser returns "web page


check the wap settings...

if you are not able to figure it out then contact the mobile operator for wap settings

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