Question about Samsung SGH-x475
I purchased my Samsung X475 directly from T-Mobile in 2005. Up until recently, I had no problem with my Samsung X475. Not sure if this caused the problem, but I then purchased a Motorola A780. I had problems with that phone "freezing," so put my SIM card back into my X475 and immediately started getting these errors about every 3 hours "CONTACT PROVIDER" then when I opened the "flip," it said "SIM Error." If I turned the phone off/on, it worked again, but in 2-3 hours it errored again. I called T-Mobile and they had never heard of this particular error. I took it to the T-Mobile store. They didn't have any "machine" to test my card, and they didn't know what the error was either. Any suggestions?
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Posted on Jan 02, 2017
SOURCE: Contact Service Provider
If you have the mini usb i may have the tools soft for it.
But it will only work on Bootloader version 8.26 and below.
To find out what boot load version is your phone, just press # * @ the same time while pressing the power button.
If your bootload is the one above or below the email me for the software. but only if you have the mini usb cable.
The software will flash the the phone unlock it and then you can put what ever carrier software you may want.
Posted on Jan 06, 2008
If you are on Cingular/AT&T, you can go to aT&T's website to fill out a form and get the SIM unlock code for yourself. I dont know about the other carriers. Remember some carriers may NOT use SIM cards.
Posted on Mar 12, 2008
if it is asking a PUK you can refer to this suggestion.
PUK means "personal unlocking key" .
The PUK code is asked if you enter a wrong pin 3 times.
You need to call your phone service company, they can retrieve the puk code from a database
In your case you need to contact your SIM card phone provider technical support to unlock the SIM.
The PIN and PUK are related to the SIM card, not to the phone.
If you replace the SIM card with a different one, then the phone should not ask for the PUK anymore.
Posted on Mar 29, 2009
does it have a sim card? did it ask for the puk? if it does get a hod of your service provider. you may have disabled the sim card. usually meaning it got fried
Posted on Apr 24, 2009
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