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"Invalid sim" means that your phone is locked to particular Network.To solve this problem,you need to unlock your phone.You can unlock your Samsung SGH-A177 phone from Network lock using unlock code.Unlock code is the best and safest way to unlock phone. You
can get the unlock code for your phone from your Network service provider or
any third party online vendors like MobileUnlockSolutions.com here you need to specify your country, Network
name to which it is locked, IMEI number of your phone. Then they deliver unlock
code to you through mail with unlocking instructions. By using this you can
unlock your phone easily.
Hi, You can unlock your Samsung SGH A-177 safer and easier using unlock code. You can get the unlock code for your Samsung SHH A-177 from http://www.wickedunlock.com/samsung-a177/rs11wp9/ at affordable cost. Here are the steps for unlocking a Samsung SGH A-177, 1 - Switch ON your Samsung A177 without any SIM Card. 2 - Compose : #7465625*638*CODE#.
It sounds like the phone is locked to AT&T and you're trying to use another SIM. You'll need to unlock the device to use it with another carrier. You can buy an unlock code here: http://gsmunlocklabs.com/samsung-unlock-code/
For the good place to get the unlock code for your Samsung model mobile, just visit this site www.classicunlocking.com/samsung-sgh-a177/rs17wp9 , it provides the step by step instructions and easy methods for unlocking your mobile from the network lock........at the same time to get the unlock code you have to give some information about the mobile to this site that is your IMEI number,network & country lock after that within a short period you can get the code ........If you unlock your phone using the unlock code then your phone gets permanently unlocked....After that, you can use it with any other network's sim card.......
Don't worry you can unlock samsung a177 password using PUK code, enter any password until your phone request your puk code then insert your puk code. But i doubt this since your sim card and your phone already lost for a couple month maybe your sim already blocked too so try to use samsung network unlock code or reflash your phone to nearest local mobile phone repair shop.
We (usually) do not provide network unlock codes on FixYa. However, you can visit this website if you wish to SIM unlock your phone: (eBay) Simply scroll down until you see a listing for both your phone and your network carrier.
http://shop.ebay.com/i.html?_nkw=samsung+a177+unlock+code&_sacat=0&_odkw=samsung+sgh-a177+unlock+code&_osacat=0&_trksid=p3286.c0.m270.l1313 Also, if you are requesting a security unlock code (forgotten PIN or PUC code for example) we refer our customers to their Cellular Service Provider's customer service dept. After verifying that you are the owner of the phone they can give you a master security code which you'll enter on your phone's keypad. This will security unlock it where you can use it again.
Hi,
If you are trying to use a SIM card in your phone and getting a message like
"Enter Subsidy Code", "Incorrect SIM Card", "SIM not
provisioned" or similar messages, then you need an unlock code for your
mobile phone. You
can get Samsung SGH-A177 Unlock Codefrom
the network provider, they will verify the account holder information. They can open up all networks for you where you want to use your phone. You can
check Samsung Unlock Code0
site, they will provide you an accurate code fast for the lowest price with easy to follow instructions on how to unlock your phone. Hope it helps. Thanks.
Maybe your phone is locked to AT&T. I've searched the net to find the unlock codes for my fone and it worked. Search for code calculators for SGH x426. The instruction is also included in their websites. It's fairly easy.
Also, make sure that your sim is from the network provider in your country.
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