Question about Sprint PCS Vision A640 by Samsung(r) Cellular Phone

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I have just brought it and dont know how to set it up. have installed battery and sim card, but after that the instructons are vague for some one who hasnt used one before

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I wonder how you can install SIM card on a Sprint phone. It uses CDMA technology and doesn't support SIM. If you are a sprint customer, call the customer service with the phone's ESN (Electronic Serial Number) in decimal which you can find at the back of the phone. The phone can only be activated if you are a sprint customer and the ESN is clean.

Posted on Mar 15, 2011

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Posted on Jan 02, 2017

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Can you please advise me on removing the back to fit my new sim card Regards


Hi,

To remove the battery and/or cover from the phone, follow the steps and diagrams below:

To remove the cover, lift up (1) press and slide the section of the phone upward.

Installing the SIM card, make sure the gold contacts of the SIM card are facing down before attempting the insertion. Slide the SIM card into the SIM card socket.

Note: The data stored on the SIM card can be damaged if the card is sctrached or bent during installation, so be very careful when installing the SIM card.

Slide the battery into the compartment so that the tabs on the end align with the slots at the bottom of the device and the metal contacts line up with the those on the device. Lightly press down on the battery until it slips into place

Lastly, Place the battery cover onto the back of the phone (the tabs at the top of the battery cover should interlock in the body chassis). Lower the battery cover down until it is flush with the phone.

Thanks.

Jun 15, 2011 | Samsung Galaxy S GTI9000 Smartphone

1 Answer

I have brought a china mobile CITYCALL U800+ from DUBAI TO MUMBAI now i am facing problem invalid sim,i am a vodafone user


Were you using this handset in Dubai or is this the first time? "Invalid sim" has two main issues, 1. sim lock, 2. sim connector problem.

First, open the battery cover, remove the sim card (if it's inside the battery compartment) and clean the metal contacts of the sim connector using a soft brush or ear bud dipped in alcohol or acetone or spirit. After it's cleaned, let it dry and again reinsert the sim card, install the battery and try again.

If it's been used before, then probably you still have the old sim card, if so install it and try again. If it's ok then borrow a sim card from a friend (for few minutes) or use your old or another available (working) sim card and try again. If both the old sim card and the other (borrowed) sim cards are working without any problem, then there's problem with your vodafone sim card which obstructs it to install on the Handset, perhaps voltage issue, in that case, you better get another replacement from Vodafone.

Or if the old one which you were using works, then your phone is sim locked, try to reset it using the default code 1122 or 3344 or 1234 or 5678 (should be on the manual) [click here for more info about china mobile codes]. To do this, go to settings, select "Restore" and enter the code, proceed forward giving positive inputs "yes" or "Ok".

After it's restarted, try again with all the sim cards.

If all the sim cards show the same error, then the handset might needs to be repaired or need to be replaced.

If you need further help, let me know.

Good luck.

Thanks for using FixYa.

Sep 03, 2010 | Cell Phones

1 Answer

Screen blank after fitting orange sim card


I had similar problem. Try: Remove battery, sim card and data card. Replace battery and turn on. This fixed my screen problem. Then I selected factory defaults from general settings, though I dont know that this was necessary. Cheers

Dec 20, 2009 | Nokia N95 Cellular Phone

2 Answers

I have a sim card but i dont know the telephone number


i have sim card but i dont know his number wht can i do

Aug 18, 2009 | Nokia N70 Cellular Phone

1 Answer

I want to remove my sim but dont know how


ure sim card should be located underneath your battery.. remove your battery cover (which is on the back of your phone), take out your battery, and you should be able to slide out your sim card..

Feb 23, 2009 | Nokia 6500 Slide Cellular Phone

1 Answer

Regarding a security code set by o2


go to customer care and flash it

Sep 19, 2008 | Nokia N70 Cellular Phone

2 Answers

Please help me with my nokia 6230i


hi

the deafult code is 12345
only try it once
too many and it will lock

their is various software on the net that will give you the code
best to find the seller to check it out

D

Nov 21, 2007 | Nokia 6230i Cellular Phone

1 Answer

Taking sim card out


Hi, first go here:
http://www.somelifeblog.com/2007/03/motorola-razr-v3-how-to-remove-battery.html
to remove the back and the battery from the phone, then go here:http://www.somelifeblog.com/2007/03/motorola-razr-v3-how-to-remove-sim-card.html

that will show you how to remove the sim card :)

Hope this helps, if not let me know :) Si

Oct 12, 2007 | Motorola Mobility RAZR V3c Cellular Phone

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