SOURCE: Sim Card
To use a SIM Card with a different phone service than it was originally programed for, you will have to unlock the phone. Phones come locked to a specific service provider and/or country. In theory, you can contract your phone provider and request an unlock code. In practice, many providers refuse to give these codes out.
There are also services online that will provide these codes, or let you ship your phone to them to be unlocked, for a fee. One such site is: http://www.unlockcellphone.com/ - but there are many more. Do a google search for "unlock cell phone" and you'll find quite a few links... find the one that has the best price for your phone model.
Of course, there's a chance the card will work as-is if you're still using the same phone provider. But with all the changes AT&T has gone through, I wouldn't count on it.
Dyllan
SOURCE: Samsung Intensity II: "Non
Clean the battery connector(3 golden metals)
Clean them very easily and carefully with something blade like a small blade.
It seems they got some rust.and the mobile cannot recognise the battery
SOURCE: Samsung Captivate Galaxy S (only
TURN YOUR PHONE OFF AND BACK ON OR TRY INSTALLING NEW BATTERIES!
SOMETIMES THIS REBOOTS YOUR PHONE!
YOUR CHARGER MAY ALSO BE DEFECTIVE, DRAINING YOUR BATTERY, TRY USING A CAR CHARGER TO RECHARGE!
IF NON OF THESE WORK, YOU'LL HAVE TO REPLACE YOUR BATTERY, GO TO A BATTERY STORE LIKE INTERSTATE BATTERIES OR BATTERY'S PLUS, THAT WILL BUY YOUR OLD BATTERY AND WILL INSTALL A NEW ONE!
HOPE THIS HELPS!
MARTIE
SOURCE: 2 year old samsung intensity download software
http://www.umnet.com/phone/3620-Samsung_Intensity_II_SCHU460 CLICK ON LEFT ....
The sim is not the antenna. Coverage is determined by the phone, antenna and your position. When you are in the same place with the same sim, it could be the other phone has a better or worse coverage, because of its antenna, transmitter and receiver. Don't think all phones work the same. Remember the problems Apple had a few years ago with the iPhone 4? Bad coverage for almost all phones.
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