Check SIM first . If you can change your sim card to another one and check network mode too. If your sim card does not support 3G then turn it to 2G only
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Try to unlock your blackberry network using blackberry tour 9630 unlock code for your original network sim card. Example : if your original network sim card at&t, use blackberry unlock code for at&t network. If your network still no service signal, reflash your blackberry phone.
Try to unlock your blackberry network using blackberry curve 8310 unlock code, see if the problem is still happened after your blackberry network unlocked. If the problem still same, reflash your blackberry phone or you can do cable unlock in nearest local mobile phone repair shop in your country. It will force to reset your blackberry configuration to default.
Just saw your post and wanted to help in anyway so here goes. I would recommend Blackberry unlocking codes with IMEI to unlock your future blackberry phones. They are very reliable and provide CHEAPEST rates with good customer support. I hope it would be helpful for your future blackberry models.
You have to unlock that BB first This unlock code provider generate full LEGAL unlock code direct from Blackberry server which wont void your warranty, & generate code based on your IMEI, means individual code for every blackberry set. After unlocking from this provider's code your blackberry not only work with single network, you can use your Blackberry in any part of world with any network including your browser & MMS picture messaging to work, yes with just one time entering code from your keypad. They unlock from network who locked your blackberry This site will help you a lot & good email & 24/7 phone support
You have to unlock that BB first
This unlock code provider generate full LEGAL unlock code direct from
Blackberry server which wont void your warranty, & generate code
based on your IMEI, means individual code for every blackberry set.
After unlocking from this provider's code your blackberry not only work
with single network, you can use your Blackberry in any part of world
with any
network
including your browser & MMS picture messaging to work, yes with
just one time entering code from your keypad.
They unlock from network who locked your blackberry
This site will help you a lot & good email & 24/7 phone support
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