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It's Because...Your Mobile Locked to Some Network...So that it coming error Insert Sim Card....Or Invalid Sim Or Insert Correct Sim....To recover from this problem...You need to Unlock the Mobile...You can Unlock it using the Unlock code here http://www.wickedunlock.com/samsung-d500/rs11wp9/ and Use the any GSM Network Sim...
hello sir, i have vodafone 226 fm phone.the phone works only with vodafone sim only. i have infinity box.please reveal how can i sp unlock for this phone for work all sim cards. when we insert another sim card the phone ask unlock code number. please reveal soon.
Your Phone is locked on to Vodafone and so must get this unlocked with the help of the unlocking code. so call up vodafone call centre and ask them if the time limit is up of one year to unlock your phone. Mentione the IMEI code on your phone along with the purchase details.
When you place a new or a existing SIM card from another phone provider into your mobile phone and it asks for a Security code then :- This phone is locked to the original mobile phone provider. You need to contact this mobile provider to ask for the unlock code (security code) for this phone. You need to provide proof of ownership etc and the phone's unique IMEI number which is located inside the phone under the battery. They use this number to generate the unlock code for your phone. They should provide you with instructions on how to enter this code into the phone. Once you unlock the phone, then you can insert a new SIM card in this phone or sign up with another phone provider using this phone.
You could ring the phone provider and ask for the unlock security code because you are going overseas and wish to use your phone with a prepaid SIM card from another country. This maybe a free service. The other way to get your phone unlock is to use a phone unlocking company on the Internet, they usually charge a couple of Dollars for their services.Use Google and search for "Security unlocking code” companies in your area. You can also try this WEB site :- http://www.mobileunlockguide.com/mobile-phone/ www.unlock-free.com/nokia-master The IMEI number is unique the each mobile phone. The number is printed on the label under the battery. You can also get the IMEI number by entering this on your phone *#06# It will then display your IMEI number and you may also get a unique global serial number. Your IMEI number should be 15 digits.
I guess your phone has not been unlocked yet. Unlocked
phones do not have any specific carrier software and work with all GSM
carriers. These include T-Mobile, Cingular and AAAA . Multi-band
unlocked phones also will work with carriers in other countries.So I guess you need to unlock your phone so that u can enjoy in your country.
It is not possible to know your unlock key. If you want to unlock the mobile here is the simple method Note: back-up your importent data before doing this.
1. First do a CUSTOM reset: *2767*2878# turn off the phone 2. take out the battery and sim and put wrong network SIM and insert only a half of it, Very important so it won't ask for network password and shows "Insert SIM" message.(possibly in a different language) Now put the battery ,and switch the phone on .(phone shows "Insert SIM" message.) 3.push the sim fully in at this stage the phone is still asking to "Insert SIM" 4. Make a FULL reset: *2767*3855# 5. The phone should reboot working with "wrong" sim inside. 6. Make a Change the NCK password to 8 zeros by typing: *7465625*638*00000000*00000000# 7. Now Disable network lock By typing: #7465625*638*00000000# Phone is unlocked
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Do the SIM card and phone come from the same company, or are you using another providers SIM card on your phone?
Most phones in the US are locked so you can only use the provider that sold it to you. You may be able to request the unlock code if your contract has expired. Ohterwise you're stuck with the same phone company that sold you the phone.